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A062782 a(n) = (n^2)! / (n^n). 1
1, 1, 6, 13440, 81729648000, 4963587213865915514880, 7973107998754741458076119859200000000, 738615790595351500616546025309298211371540807680000000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

FORMULA

a(n) = A088020(n)/A000312(n). - Seiichi Manyama, Mar 26 2019

PROG

(PARI) for(n=0, 8, print1((n^2)!/(n^n), ", "))

CROSSREFS

Cf. A000312, A088020.

Sequence in context: A242676 A145720 A093897 * A036773 A007702 A130434

Adjacent sequences:  A062779 A062780 A062781 * A062783 A062784 A062785

KEYWORD

easy,nonn

AUTHOR

Jason Earls, Jul 18 2001

EXTENSIONS

a(0)=1 prepended by Seiichi Manyama, Mar 26 2019

STATUS

approved

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Last modified February 19 10:03 EST 2020. Contains 332041 sequences. (Running on oeis4.)