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A028075 Expansion of 1/((1-3x)(1-6x)(1-7x)(1-9x)). 0
1, 25, 400, 5230, 60991, 661675, 6836950, 68263360, 664838581, 6356961325, 59947423900, 559395635890, 5177995501771, 47632122760975, 436056971109250, 3977028159426820, 36166503547714561, 328145135909292625 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A028130 A174515 A028116 * A042204 A028112 A028064

Adjacent sequences:  A028072 A028073 A028074 * A028076 A028077 A028078

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.