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A013795
a(n) = 11^(4*n+3).
1
1331, 19487171, 285311670611, 4177248169415651, 61159090448414546291, 895430243255237372246531, 13109994191499930367061460371, 191943424957750480504146841291811, 2810243684806424785061213903353404851
OFFSET
0,1
FORMULA
a(n) = 14641*a(n-1). - Harvey P. Dale, May 26 2016
G.f.: 1331/(1 - 14641x). - Indranil Ghosh, Apr 09 2017
MAPLE
A013795:=n->11^(4*n+3): seq(A013795(n), n=0..10); # Wesley Ivan Hurt, Apr 08 2017
MATHEMATICA
11^(4*Range[0, 10]+3) (* or *) NestList[14641#&, 1331, 10] (* Harvey P. Dale, May 26 2016 *)
CoefficientList[Series[1331/(1- 14641x), {x, 0, 10}], x] (* Indranil Ghosh, Apr 09 2017 *)
PROG
(Magma) [11^(4*n+3): n in [0..10]]; // Vincenzo Librandi, Jun 28 2011
(PARI) a(n) = 11^(4*n + 3) \\ Indranil Ghosh, Apr 09 2017
(Python) def a(n): return 11**(4*n + 3) # Indranil Ghosh, Apr 09 2017
CROSSREFS
Subsequence of A001020. - Michel Marcus, Apr 08 2017
Sequence in context: A278936 A263613 A052076 * A013860 A052072 A050646
KEYWORD
nonn,easy
STATUS
approved