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Old 2022-01-16, 19:36   #1
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Minus Strange coincidence on prime numbers

Strange coincidence on prime numbers


https://www.academia.edu/68428310/St...i_numeri_primi
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Old 2022-01-16, 23:44   #2
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Signore e signori et voila

https://www.academia.edu/68447998/Pr...i_numeri_primi
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Old 2022-01-17, 20:41   #3
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131 primo una soluzione che si ripete ogni due volta
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-131 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

17891 primo due soluzioni che si ripetono ogni quattro volte
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-17891 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

26179 non primo una soluzione che si ripete ogni tre volte
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-26179 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

12931 non primo non so cosa succede
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-12931 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+
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Old 2022-01-17, 21:10   #4
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Quote:
Originally Posted by Alberico Lepore View Post
131 primo una soluzione che si ripete ogni due volta
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-131 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

17891 primo due soluzioni che si ripetono ogni quattro volte
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-17891 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

26179 non primo una soluzione che si ripete ogni tre volte
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-26179 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+

12931 non primo non so cosa succede
solve integer [(8*k+1)*((8*k+1)+2)-4*(3*x^2+4*x+1)]-12931 =0 ,x>0 , k>0
https://www.wolframalpha.com/input/?...3E0+%2C+k%3E0+
Soluzioni ricorsive



k(n+1) = 97 ⁢k(n) + 42 x(n) + 52 ⁢

x(n+1) = 224 k(n) + 97 ⁢x(n) + 120 ⁢





k(n+1) = 97 ⁢k(n) - 42 ⁢x(n) - 4 ⁢

x(n+1) = - 224 ⁢k(n) + 97 ⁢x(n) + 8
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Old 2022-01-18, 16:09   #5
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Quote:
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credo che per essere valido l'algoritmo a , a+2 , a-26 , a-28

NON devono essere PRIMI
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