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A007120 Expansion of e.g.f. (1+x)^(1-x).
(Formerly M0915)
4
1, 1, -2, -3, 16, -10, -114, 462, -496, -2952, 16920, -31680, -130008, 1707576, -14259504, 138375720, -1652311680, 22238105280, -321916019904, 4959460972224, -81123831838080, 1405677742882560, -25732182778727040, 496324987642915200, -10061966722201900416 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=0..24.

CROSSREFS

Sequence in context: A266211 A074270 A254522 * A092973 A126007 A004832

Adjacent sequences:  A007117 A007118 A007119 * A007121 A007122 A007123

KEYWORD

sign

AUTHOR

Simon Plouffe

EXTENSIONS

Signs from Christian G. Bower, Nov 15 1998

Signs corrected by Sean A. Irvine, Oct 17 2017

STATUS

approved

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Last modified January 18 01:36 EST 2019. Contains 319260 sequences. (Running on oeis4.)