A013909 a(n) = 23^(5*n + 4).

279841, 1801152661463, 11592836324538749809, 74615470927590710561908487, 480250763996501976790165756943041, 3091058643093537522799545838540043339063, 19895113660064588580108197261066338165074766609, 128051775540161094255459334683883498184411818540470887

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..50
• Tanya Khovanova, Recursive Sequences
• Index entries for linear recurrences with constant coefficients, signature (6436343).

Crossrefs

Cf. A009967.

Programs

Magma

[23^(5*n+4): n in [0..10]]; // Vincenzo Librandi, May 29 2011

Mathematica

23^(5*Range[0,10]+4) (* or *) NestList[6436343#&,279841,10] (* Harvey P. Dale, Jan 15 2016 *)

Formula

a(n) = 6436343*a(n-1), a(0)=279841. - Vincenzo Librandi, May 29 2011