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A050398 Exponential reversion of sequence of involutions (A000085). 1
1, -2, 8, -50, 434, -4864, 66996, -1095324, 20724756, -445310616, 10708301328, -284863999848, 8304979127496, -263299784899488, 9018495674420592, -331867682445078000, 13057137391032043920, -546957850901539335840 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index entries for reversions of series

N. J. A. Sloane, Transforms

CROSSREFS

Cf. A050397.

Sequence in context: A193352 A002801 A089104 * A135081 A007334 A110083

Adjacent sequences:  A050395 A050396 A050397 * A050399 A050400 A050401

KEYWORD

sign

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Nov 15 1999.

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Last modified February 16 08:13 EST 2012. Contains 205893 sequences.