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A099110 Expansion of 1 / [(1+x)*(1-2x)*(1-3x)*(1-4x)]. 2
1, 8, 47, 238, 1113, 4956, 21379, 90266, 375485, 1545544, 6313671, 25650534, 103792417, 418745972, 1685723723, 6775136242, 27197312709, 109079641440, 437189912335, 1751374038590, 7013340021161, 28076893083148 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

(1/60) [80*2^n - 405*3^n + 384*4^n + (-1)^n].

a(n) = 8*a(n-1) -17*a(n-2) -2*a(n-3) + 24*a(n-4), n>=4. - Vincenzo Librandi, Mar 22 2011

CROSSREFS

First differences are in A004057. Pairwise sums are in A016269.

Sequence in context: A160640 A026983 A081279 * A106393 A139262 A029760

Adjacent sequences:  A099107 A099108 A099109 * A099111 A099112 A099113

KEYWORD

nonn

AUTHOR

Ralf Stephan, Sep 28 2004

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.