A157438 Primes p such that p^2 divides A085606((p-1)/2) = ((p-1)/2-1)^((p-1)/2) - 1.

5, 127, 607

Offset

1,1

Comments

Primes p such that (-3/2)^((p-1)/2) == 1 - p/6 (mod p^2).[Max Alekseyev, Dec 05 2010]

Primes p that divide A085606((p-1)/2) are listed in A157437.

No other terms below 10^11. [From Max Alekseyev, Dec 05 2010.]

Links

Table of n, a(n) for n=1..3.

Crossrefs

Cf. A085606, A157437.

Sequence in context: A071196 A357133 A115233 * A142803 A208859 A229147

Adjacent sequences: A157435 A157436 A157437 * A157439 A157440 A157441

Keyword

hard,more,nonn,bref

Author

Alexander Adamchuk, Mar 01 2009

Status

approved