A015974 Numbers k that divide 4^k + 1, k not a power of 5.

205, 1025, 2525, 5125, 8405, 12625, 25625, 42025, 63125, 103525, 128125, 168305, 202525, 210125, 255025, 315625, 344605, 517625, 640625, 841525, 875125, 1012625, 1050625, 1275125, 1578125, 1723025, 2042725, 2084645

Offset

1,1

Links

Table of n, a(n) for n=1..28.

Crossrefs

Cf. A015950.

Sequence in context: A020170 A260471 A249703 * A203870 A203863 A203896

Adjacent sequences: A015971 A015972 A015973 * A015975 A015976 A015977

Keyword

nonn

Author

Robert G. Wilson v

Status

approved