A292334 Numbers k such that k^2 divides 9^k + 1.

1, 5, 5905, 11855474405, 101901244565, 248518793938105, 204587230614395065

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A062396.

Subsequence of A015957.

Cf. A127101 and A128682.

Sequence in context: A013535 A079812 A137694 * A202156 A117711 A203689

Adjacent sequences: A292331 A292332 A292333 * A292335 A292336 A292337

Keyword

nonn,more

Author

Max Alekseyev, Sep 15 2017

Status

approved