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A090444 Fifth column (m=4) of triangle A090441. 1
1, 24, 2880, 1036800, 870912000, 1463132160000, 4424511651840000, 22299538725273600000, 176612346704166912000000, 2098154678845502914560000000, 36004334288988830013849600000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..10.

J. Agapito, On symmetric polynomials with only real zeros and nonnegative gamma-vectors, Linear Algebra and its Applications, Volume 451, 15 June 2014, Pages 260-289.

FORMULA

a(n) = (n+3)!*(n+2)!*(n+1)!*n!/12, n>=0. 12=A000178(3) (superfactorial).

PROG

(PARI) a(n) = (n+3)!*(n+2)!*(n+1)!*n!/12; \\ Michel Marcus, Feb 12 2019

CROSSREFS

Cf. A090441.

Sequence in context: A266870 A277003 A060902 * A205795 A222852 A189246

Adjacent sequences:  A090441 A090442 A090443 * A090445 A090446 A090447

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Dec 23 2003

STATUS

approved

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Last modified July 21 06:55 EDT 2019. Contains 325192 sequences. (Running on oeis4.)