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A049189 Revert transform of 2*(1 + x + x^2 + x^4 + x^5 + x^6 + x^7)-1/(1-x). 0
1, 1, 3, 11, 43, 183, 813, 3731, 17563, 84303, 411093, 2030833, 10141953, 51117801, 259695379, 1328454221, 6836777765, 35373248213, 183892104895, 960066929119, 5031617143079, 26462109374051, 139609962072913, 738695107457919 (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: A151101 A151102 A151103 * A049163 A049180 A049152

Adjacent sequences:  A049186 A049187 A049188 * A049190 A049191 A049192

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified August 7 19:57 EDT 2020. Contains 336279 sequences. (Running on oeis4.)