A013818 a(n) = 23^(4*n + 1).

23, 6436343, 1801152661463, 504036361936467383, 141050039560662968926103, 39471584120695485887249589623, 11045767571919545466173812409689943, 3091058643093537522799545838540043339063, 865004941741938633917747707002884268046728983

Offset

0,1

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 (279841).

Formula

a(n) = 279841*a(n-1). - Harvey P. Dale, Nov 15 2013

Mathematica

23^(4*Range[0, 20]+1) (* or *) NestList[279841#&, 23, 20] (* Harvey P. Dale, Nov 15 2013 *)

Prog

(Magma) [23^(4*n+1): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

Crossrefs

Sequence in context: A034247 A050234 A124993 * A290118 A087527 A013906

Adjacent sequences: A013815 A013816 A013817 * A013819 A013820 A013821

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved