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Old 2019-05-12, 20:39   #23
Dr Sardonicus
 
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Quote:
Originally Posted by ewmayer View Post
FYI, It seems the pseudoprime page I linked in my code comment has moved to http://www.numericana.com/answer/pseudo.htm#pseudoprime .
This site is well worth a visit for the cross-references between pseudoprimes to different bases and Carmichael numbers; also links to pages about Fermat, Poulet, etc. [Nit-pick: tables of base-2 psp's (as opposed to how many there are with up to a given number of decimal digits) not present.]

Other tables of various sorts of pseudoprimes up to 1014 are readily accessible (Just click on "data" in the column headings) at

Pseudoprime Statistics, Tables, and Data (Fermat, Miller-Rabin, Lucas, Fibonacci, Pell, Frobenius, Baillie-PSW).

Note the small number of Perrin pseudoprimes.
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Old 2019-05-12, 21:11   #24
ewmayer
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Quote:
Originally Posted by Dr Sardonicus View Post
This site is well worth a visit for the cross-references between pseudoprimes to different bases and Carmichael numbers; also links to pages about Fermat, Poulet, etc. [Nit-pick: tables of base-2 psp's (as opposed to how many there are with up to a given number of decimal digits) not present.]
I've attached the header file from my Mlucas source archive which has the base-2 psp's < 2^32, in the 2-table form (those divisible by 3 or 5 and those not) in which I use them.
Attached Files
File Type: bz2 f2psp_3_5.h.bz2 (45.3 KB, 141 views)
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