A269798 Numbers b such that b is not a power of 2 and both 1093 and 3511 are base-b Wieferich primes.

429327, 858654, 1717308, 3434616, 6869232, 13738464, 14583415, 27476928, 29166830, 31995179, 46455089, 54953856, 57420033, 58333660, 58473815, 60227705, 63990358, 66863995, 71828271, 72766215, 84301671, 86290359, 91406901, 92910178, 94508343, 97720353

Offset

1,1

Comments

Intersection of A057716 and A247208.

All terms of A247214, except 2, appear in the sequence.

Links

Table of n, a(n) for n=1..26.

Example

The sequence w of primes p such that 429327^(p-1) == 1 (mod p^2) starts 1093, 3511, 2652379, 20793169. Since both 1093 and 3511 are terms of w, 429327 is in this sequence.

Prog

(PARI) my(p=1093, q=3511); for(n=2, 1e9, if(Mod(n, p^2)^(p-1)==1 && Mod(n, q^2)^(q-1)==1, my(x=2); while(x < n, x=2*x); if(x!=n, print1(n, ", "))))

Crossrefs

Cf. A057716, A247208, A247214.

Sequence in context: A206082 A209794 A234448 * A251639 A051595 A234857

Adjacent sequences: A269795 A269796 A269797 * A269799 A269800 A269801

Keyword

nonn

Author

Felix Fröhlich, Mar 05 2016

Status

approved