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A055925 Exponential reciprocal of A055924. 1
-1, 1, 0, -2, 0, 1, 6, 0, -6, 1, -24, 0, 35, -10, -2, 120, 0, -225, 85, 30, -9, -720, 0, 1624, -735, -350, 189, -9, 5040, 0, -13132, 6769, 3920, -2898, 252, 50, -40320, 0, 118124, -67284, -44898, 40824, -4914, -1800, 267, 362880, 0, -1172700, 723680 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..49.

FORMULA

E.g.f.: exp(1-(1+x)^y).

EXAMPLE

-1; 1,0; -2,0,1; 6,0,-6,1; -24,0,35,-10,-2; ...

CROSSREFS

Main diagonal gives A000587.

Sequence in context: A151860 A089627 A321686 * A276436 A161121 A021500

Adjacent sequences:  A055922 A055923 A055924 * A055926 A055927 A055928

KEYWORD

sign,tabl

AUTHOR

Wouter Meeussen, Christian G. Bower, Jul 06 2000

STATUS

approved

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Last modified February 17 18:46 EST 2019. Contains 320222 sequences. (Running on oeis4.)