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A258598
a(n) = 17*3^n.
1
17, 51, 153, 459, 1377, 4131, 12393, 37179, 111537, 334611, 1003833, 3011499, 9034497, 27103491, 81310473, 243931419, 731794257, 2195382771, 6586148313, 19758444939, 59275334817, 177826004451, 533478013353, 1600434040059, 4801302120177, 14403906360531
OFFSET
0,1
FORMULA
G.f.: 17/(1-3*x).
a(n) = 3*a(n-1).
a(n) = 17*A000244(n).
E.g.f.: 17*exp(3*x). - Elmo R. Oliveira, Aug 16 2024
MATHEMATICA
Table[17 3^n, {n, 0, 30}]
NestList[3#&, 17, 30] (* Harvey P. Dale, Oct 14 2022 *)
PROG
(Magma) [17*3^n: n in [0..30]];
CROSSREFS
Cf. similar sequences listed in A258597.
Cf. A000244.
Sequence in context: A005570 A195037 A214660 * A223906 A146673 A330390
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jun 05 2015
STATUS
approved