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2022-02-09, 01:28
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#12 |
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"Jorge Coveiro"
Nov 2006
Moura, Portugal
24×3 Posts |
more wagstaff simplifications
t3(q)={w=(2^q+1)/3;s=4;for(i=1,q,s=(s^2-2)%(6*w););if(s==14||s==194,print1(q","))}
forprime(x=1,100000,t3(x)) Code:
3,5,7,11,13,17,19,23,31,43,61,79,101,127,167,191,199,313,347,701,1709,2617,3539, |
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2022-02-09, 01:54
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#13 |
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"Jorge Coveiro"
Nov 2006
Moura, Portugal
24×3 Posts |
more simplifications (2)
t3(q)={w=(2^q+1)/3;s=4;for(i=2,q,s=(s^2-2)%(6*w));if(ispowerful(s+2),print1(q","))}
forprime(x=1,1000,t3(x)) Code:
3,5,7,11,13,17,19,23,31,43,61,79,101,127,167,191,199,313,347,701, t3(q)={w=(2^q+1)/3;s=4;for(i=2,q,s=(s^2-2)%(6*w));if(issquare(s+2),print1(q","))} forprime(x=1,1000,t3(x)) Code:
3,5,7,11,13,17,19,23,31,43,61,79,101,127,167,191,199,313,347,701, Last fiddled with by JCoveiro on 2022-02-09 at 02:00 |
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