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Search: id:A049143
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A049143 Revert transform of (1 - x - 2x^2 + x^3)/(1 - 2x^2 - 2x^3). +0
1
1, 1, 2, 4, 10, 26, 74, 219, 678, 2160, 7062, 23538, 79734, 273600, 948972, 3320845, 11708586, 41546434, 148236556, 531446460, 1913357426, 6914471176, 25071324984, 91181690872, 332528253078, 1215726924628, 4454924130364 (list; graph; listen)
OFFSET

1,3
LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A049130 A101488 A089429 this_sequence A089404 A006123 A006251

Adjacent sequences: A049140 A049141 A049142 this_sequence A049144 A049145 A049146

KEYWORD

nonn

AUTHOR

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

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.

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