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A013724 19^(2n+1). 4
19, 6859, 2476099, 893871739, 322687697779, 116490258898219, 42052983462257059, 15181127029874798299, 5480386857784802185939, 1978419655660313589123979, 714209495693373205673756419 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Tanya Khovanova, Recursive Sequences

Index entries for linear recurrences with constant coefficients, signature (361).

FORMULA

a(n)=361*a(n-1), n>0 ; a(0)=19 . G.f.: 19/(1-361*x). - Philippe Deléham, Nov 28 2008

MAPLE

seq(19^(2*n+1), n=0..10); # Nathaniel Johnston, Jun 25 2011

MATHEMATICA

NestList[361#&, 19, 20] (* Harvey P. Dale, Jun 12 2017 *)

PROG

(MAGMA) [19^(2*n+1): n in [0..15]]; // Vincenzo Librandi, Jun 26 2011

(PARI) a(n)=19^(2*n+1) \\ Charles R Greathouse IV, Jul 11 2016

CROSSREFS

Cf. A013708-A013723, A013725-A013729.

Sequence in context: A145214 A172662 A201303 * A067267 A124989 A265964

Adjacent sequences:  A013721 A013722 A013723 * A013725 A013726 A013727

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified July 25 18:14 EDT 2017. Contains 289796 sequences.