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A199751 (3*11^n+1)/2. 1
2, 17, 182, 1997, 21962, 241577, 2657342, 29230757, 321538322, 3536921537, 38906136902, 427967505917, 4707642565082, 51784068215897, 569624750374862, 6265872254123477, 68924594795358242, 758170542748940657, 8339875970238347222 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..900

Index to sequences with linear recurrences with constant coefficients, signature (12,-11).

FORMULA

a(n) = 11*a(n-1)-5.

a(n) = 12*a(n-1)-11*a(n-2).

G.f.: (2-7*x)/((1-x)*(1-11*x)).

PROG

(MAGMA) [(3*11^n+1)/2: n in [0..30]];

CROSSREFS

Sequence in context: A102023 A212833 A058010 * A126752 A004029 A114268

Adjacent sequences:  A199748 A199749 A199750 * A199752 A199753 A199754

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 10 2011

STATUS

approved

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Last modified June 19 16:47 EDT 2013. Contains 226415 sequences.