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A019943 Expansion of 1/((1-5x)(1-7x)(1-9x)). 0
1, 21, 298, 3570, 38971, 401751, 3988468, 38583300, 366449941, 3434404281, 31873887838, 293663563830, 2690806228111, 24553315831611, 223338364450408, 2026585451393160, 18355202849805481, 166009125098571741 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A025940 A041844 A021829 * A021634 A021604 A025935

Adjacent sequences:  A019940 A019941 A019942 * A019944 A019945 A019946

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 04:29 EST 2012. Contains 205570 sequences.