A126432 - OEIS

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A126432

Double Wieferich primes with q = 5.

5

1645333507, 188748146801

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OFFSET

1,1

COMMENTS

Double Wieferich prime pairs are pairs of primes (p, q) such that q^(p-1) == 1 (mod p^2) and p^(q-1) == 1 (mod q^2).

LINKS

Table of n, a(n) for n=1..2.

C. K. Caldwell, The Prime Glossary, Fermat quotient.

Wikipedia, Wieferich pair

CROSSREFS

Subsequence of A123692.

Cf. A124121, A124122, A125775.

Sequence in context: A329463 A246250 A373001 * A186175 A202573 A071372

Adjacent sequences: A126429 A126430 A126431 * A126433 A126434 A126435

KEYWORD

bref,hard,more,nonn

AUTHOR

Alexander Adamchuk, Mar 12 2007

STATUS

approved