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A091754 Fifth column (m=6) of array A091752 ((-1,2)Stirling2). 1
1, 80, 9520, 1786400, 493292800, 189065676800, 96179539456000, 62739188255744000, 51070871935283200000, 50753775178192486400000, 60478693661116393062400000, 85121458839683971088384000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..14.

FORMULA

a(n)= A091752(n, 6), n>=3.

a(n)= ((3*(n-2))!/((3^(n-2))*(n-2)!))*(9*n^2-27*n+12)/4! = A052502(n-2)*(9*n^2-27*n+12)/4!, n>=3.

CROSSREFS

Sequence in context: A278736 A116252 A159734 * A118493 A265846 A269145

Adjacent sequences:  A091751 A091752 A091753 * A091755 A091756 A091757

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Feb 27 2004

STATUS

approved

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Last modified October 25 01:40 EDT 2021. Contains 348233 sequences. (Running on oeis4.)