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A073420
G.f.: 1/B(x) where B(x) = g.f. for A072964.
1
1, -1, -1, -1, 0, -2, -4, -4, -8, -10, -17, -10, 6, 45, 260, 604, 1285, 3329, 6755, 12550, 25790, 46302, 75922, 129739, 188164, 215880, 177637, -208052, -1480885, -4563499, -11984644, -28275270, -61059278, -126088969, -248020723, -462216478, -823834918, -1383451194, -2136524063
OFFSET
0,6
CROSSREFS
Cf. A072964.
Sequence in context: A125204 A241386 A265204 * A034408 A227333 A223317
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Aug 26 2002
EXTENSIONS
More terms from R. J. Mathar, Feb 13 2008
STATUS
approved