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Search: id:A049181
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A049181 Revert transform of 2*(1 + x + x^2 + x^3 + x^4 + x^5 + x^6)-1/(1-x). +0
1
1, 1, 1, 1, 1, 1, 3, 17, 73, 241, 661, 1585, 3461, 7285, 16231, 41921, 124577, 389233, 1186617, 3423201, 9327801, 24355849, 62489483, 162336209, 437155705, 1226390417, 3534342301, 10244919841, 29383388701, 82792942045 (list; graph; listen)
OFFSET

1,7

COMMENT

Sign diagram of generating sequence: +++++++---------...

LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A034566 A069468 A128948 this_sequence A142868 A100233 A015525

Adjacent sequences: A049178 A049179 A049180 this_sequence A049182 A049183 A049184

KEYWORD

nonn

AUTHOR

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

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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