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Search: id:A049141
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A049141 Revert transform of (1 + x - 4x^2 - x^3)/(1 + 2x - 2x^2 - 2x^3). +0
1
1, 1, 2, 6, 20, 72, 270, 1049, 4176, 16962, 69990, 292608, 1236718, 5275724, 22685636, 98225447, 427888458, 1873979814, 8246535936, 36444747110, 161685649174, 719819353928, 3214805630688, 14399464322254, 64668729869542 (list; graph; listen)
OFFSET

1,3
LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A150131 A150132 A150133 this_sequence A049129 A063376 A161168

Adjacent sequences: A049138 A049139 A049140 this_sequence A049142 A049143 A049144

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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