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A063034
Reversion of y - y^2 + y^4 + y^5.
0
0, 1, 1, 2, 4, 7, 7, -20, -177, -842, -3245, -10920, -32396, -81781, -151606, -32368, 1528436, 10115847, 46911627, 182321874, 618736524, 1821588615, 4363335060, 6280838340, -12403999335, -158989515204, -893044400094, -3912400187584
OFFSET
0,4
MATHEMATICA
CoefficientList[InverseSeries[Series[y - y^2 + y^4 + y^5, {y, 0, 30}], x], x]
CROSSREFS
Sequence in context: A178183 A010759 A370799 * A351745 A094541 A166928
KEYWORD
sign,easy
AUTHOR
Olivier Gérard, Jul 05 2001.
STATUS
approved