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A321669 Number of permutations of 9 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1. 4
1, 0, 1, 2872754, 104650147201049, 23575497690601916022516, 24302858067615766089801166488125, 91155245844064069307740171414201519055298, 1046031892354833895113128900608177633584652958677057, 32119646666355552112999645991677870426882424139287301894021793 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..70

FORMULA

a(n) ~ 9^(7*n + 1/2) * n^(8*n) / (4480^n * exp(8*(n+1))). - Vaclav Kotesovec, Nov 24 2018

CROSSREFS

Cf. A190826, A190830, A190833, A190835, A190836, A190837, A321670.

Sequence in context: A204413 A204789 A204524 * A237944 A101768 A101769

Adjacent sequences:  A321666 A321667 A321668 * A321670 A321671 A321672

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Nov 16 2018

STATUS

approved

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Last modified July 18 01:11 EDT 2019. Contains 325110 sequences. (Running on oeis4.)