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Old 2016-04-18, 22:28   #4
lalera
 
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Jul 2003

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Quote:
Originally Posted by wombatman View Post
Double-checked the range from n=1 to n=14083. Found the following primes (3-PRP and N-1/N+1 via PFGW):

Code:
(26^8+1)^2-2
(26^78+1)^2-2
(26^79+1)^2-2
(26^111+1)^2-2
(26^159-1)^2-2
(26^879-1)^2-2
(26^4744-1)^2-2
(26^5276+1)^2-2
(26^5602-1)^2-2
(26^8226+1)^2-2
... and
(26^1+1)^2-2
(26^2+1)^2-2
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