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A102761 Same as A000179 except here a(1) = -1. 4
1, -1, 0, 1, 2, 13, 80, 579, 4738, 43387, 439792, 4890741, 59216642, 775596313, 10927434464, 164806435783, 2649391469058, 45226435601207, 817056406224416, 15574618910994665, 312400218671253762, 6577618644576902053 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

Created to simplify the formula for A000186.

REFERENCES

J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 197.

LINKS

Table of n, a(n) for n=0..21.

Vladimir Shevelev, Spectrum of permanent's values and its extremal magnitudes in $Λ_n^3$ and $Λ_n(α,β,γ)$, arXiv:1104.4051 [math.CO], (14-August-2011)

CROSSREFS

Cf. A000179, A000186.

Sequence in context: A037571 A179237 A216316 * A000179 A246383 A189087

Adjacent sequences:  A102758 A102759 A102760 * A102762 A102763 A102764

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane, Apr 04 2010, following a suggestion from Vladimir Shevelev

STATUS

approved

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Last modified November 17 19:58 EST 2017. Contains 294834 sequences.