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Greater of Wilson's pseudo-twin primes: primes q such that p! == 1 (mod q), where p=A151799(q) is the previous prime before q, and q-p>2.
3

%I #12 May 04 2017 16:56:32

%S 7853,594278556271609021,

%T 4259842839142238791410741595983041626644087509

%N Greater of Wilson's pseudo-twin primes: primes q such that p! == 1 (mod q), where p=A151799(q) is the previous prime before q, and q-p>2.

%C By Wilson's theorem, p! == 1 (mod p+2) whenever (p,p+2) are twin primes. This sequence and A286181 concern consecutive primes (p,q) satisfying p! = 1 (mod q), where d = q-p > 2.

%C It follows that (d-1)! == 1 (mod q). Listed terms correspond to d = 12, 30, 76 (cf. A286230). Further terms should have d>=140.

%C Also, primes q=prime(n) such that A275111(n-1)=1, and (prime(n-1),prime(n)) are not twin primes (i.e., q is not a term of A006512).

%Y Subsequence of A166864.

%Y Cf. A275111, A286181, A286230.

%K bref,nonn,more

%O 1,1

%A _Max Alekseyev_ and _Thomas Ordowski_, May 04 2017

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