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A021124 Expansion of 1/((1-x)(1-2x)(1-5x)(1-7x)). 0
1, 15, 152, 1314, 10479, 79821, 591214, 4301088, 30921077, 220515867, 1563954756, 11049405822, 77854461595, 547524351753, 3845386097978, 26981280929916, 189186857860833, 1325897462045079, 9289229519936080 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

CoefficientList[Series[1/((1-x)(1-2x)(1-5x)(1-7x)), {x, 0, 50}], x]  (* From Harvey P. Dale, Mar 1 2011 *)

CROSSREFS

Sequence in context: A016103 A206361 A041424 * A004322 A125403 A010035

Adjacent sequences:  A021121 A021122 A021123 * A021125 A021126 A021127

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 13:48 EST 2012. Contains 205921 sequences.