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A028032 Expansion of 1/((1-3x)(1-4x)(1-6x)(1-7x)). 0
1, 20, 255, 2650, 24521, 210840, 1725235, 13631750, 104995341, 793395460, 5908353815, 43502236050, 317443722961, 2299938136880, 16567618807995, 118785894675550, 848393691575381, 6040178746163100 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A022744 A081143 A075469 * A025986 A028027 A081244

Adjacent sequences:  A028029 A028030 A028031 * A028033 A028034 A028035

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.