A013816 a(n) = 22^(4*n+1).

22, 5153632, 1207269217792, 282810057883082752, 66249952919459433152512, 15519448971100888972574851072, 3635524038174209847159494312722432, 851643319086537701956194499721106030592, 199502557355935975909450298726667414302359552

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..100
• Tanya Khovanova, Recursive Sequences
• Index entries for linear recurrences with constant coefficients, signature (234256).

Crossrefs

Subsequence of A009966.

Programs

Magma

[22^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

Mathematica

Table[22^(4 n + 1), {n, 0, 10}] (* Wesley Ivan Hurt, Apr 11 2017 *)
NestList[234256#&,22,10] (* Harvey P. Dale, Apr 21 2022 *)