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A049180 Revert transform of 2*(1 + x + x^2 + x^4 + x^5 + x^6)-1/(1-x). 0
1, 1, 3, 11, 43, 183, 815, 3749, 17693, 85161, 416451, 2063255, 10334187, 52241811, 266203487, 1365869249, 7050739841, 36591914977, 190811893315, 999264296139, 5253232501219, 27713207861343, 146664411527631, 778434156770069 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A151103 A049189 A049163 * A049152 A151104 A138787

Adjacent sequences:  A049177 A049178 A049179 * A049181 A049182 A049183

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.