A292332 Numbers k such that k^2 divides 6^k + 1.

1, 7, 203, 1379, 11977, 39991, 2359469, 4780447, 6521291, 6640739, 9904979, 28434413, 189117439, 282046373, 391803601, 941748059, 1308225583, 1677630367, 1951280863, 3524747261, 5601579361, 7033936399, 11157928901, 11580995069, 55563135481, 77185309397, 114689751841, 156382762711, 233252350471, 324021578027, 330493182299, 335848857001, 669601991737, 694375210417, 930174952469

Offset

1,2

Links

Max Alekseyev, Table of n, a(n) for n = 1..46

Crossrefs

Cf. A062394. Subsequence of A015953.

Cf. A127106, A128680.

Sequence in context: A226345 A361141 A128680 * A177813 A292338 A216456

Adjacent sequences: A292329 A292330 A292331 * A292333 A292334 A292335

Keyword

nonn

Author

Max Alekseyev, Sep 14 2017

Status

approved