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A013815 21^(4*n+3). 1
9261, 1801088541, 350277500542221, 68122318582951682301, 13248496640331026125580781, 2576580875108218291929075869661, 501096025171921401632658604207540941, 97453656071460446110921078004886769746621, 18952884486433699020098042171468383867092598701 (list; graph; refs; listen; history; text; internal format)
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 (194481).

PROG

(MAGMA) [21^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011

CROSSREFS

Sequence in context: A184211 A035910 A202466 * A013900 A100696 A225024

Adjacent sequences:  A013812 A013813 A013814 * A013816 A013817 A013818

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 27 19:44 EDT 2017. Contains 288790 sequences.