A045587 Numbers k that divide 8^k + 3^k.

1, 11, 121, 1331, 14641, 56881, 87967, 151019, 161051, 625691, 967637, 1493503, 1661209, 1771561, 6882601, 10644007, 16428533, 18273299, 19487171, 63952009, 75708611, 117084077, 180713863, 201006289, 214358881, 294131651, 454877357, 703472099, 780919249, 832794721

Offset

1,2

Links

Table of n, a(n) for n=1..30.

Mathematica

Select[Range[10^5], Divisible[PowerMod[8, #, #] + PowerMod[3, #, #], #] &] (* Amiram Eldar, Oct 23 2021 *)

Crossrefs

Cf. A074609.

Sequence in context: A171285 A216132 A088113 * A059734 A045582 A001020

Adjacent sequences: A045584 A045585 A045586 * A045588 A045589 A045590

Keyword

nonn

Author

David W. Wilson

Extensions

a(28)-a(30) from Amiram Eldar, Oct 23 2021

Status

approved