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A049182 Revert transform of 2*(1 + x + x^2 + x^7)-1/(1-x). 0
1, 1, 3, 9, 33, 125, 501, 2063, 8719, 37531, 164093, 726491, 3250743, 14676923, 66780835, 305908709, 1409609741, 6529455069, 30386379215, 142002499261, 666116180157, 3135363209281, 14803932109737, 70097438174979 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Table of n, a(n) for n=1..24.

Index entries for reversions of series

CROSSREFS

Sequence in context: A307454 A219261 A182530 * A049168 A049171 A050387

Adjacent sequences:  A049179 A049180 A049181 * A049183 A049184 A049185

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified November 24 20:34 EST 2020. Contains 338616 sequences. (Running on oeis4.)