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A034659 a(n) = (11^n + 1)/2. 2
1, 6, 61, 666, 7321, 80526, 885781, 9743586, 107179441, 1178973846, 12968712301, 142655835306, 1569214188361, 17261356071966, 189874916791621, 2088624084707826, 22974864931786081, 252723514249646886 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) = 11*a(n-1) - 5 (with a(0)=1). - Vincenzo Librandi, Nov 17 2010
G.f.: (1-6*x)/((1-x)*(1-11*x)). - Colin Barker, May 04 2012
CROSSREFS
Sequence in context: A160751 A236670 A142970 * A369509 A064088 A342110
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified July 22 13:50 EDT 2024. Contains 374499 sequences. (Running on oeis4.)