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A143169 Fourth column of triangle A000369: |S2(-3;n+4,4)|. 3
1, 30, 825, 24150, 775845, 27478710, 1069801425, 45547251750, 2108878296525, 105616706545350, 5693005525232025, 328784072492625750, 20261087389388971125, 1327378299252353097750, 92142485069345244158625, 6756933615539839013031750, 522007423480304780922028125 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also third column (m=3) of triangle A049029 (S2(5)).

LINKS

Table of n, a(n) for n=0..16.

FORMULA

a(n) = A000369(n+4,4) = |S2(-3;n+4,4)|, n >= 0.

E.g.f.: d^4/dx^4 ((1-(1-4*x)^(1/4))^4)/4! = (-1/2)*(-45*(1-4*x)^(1/2)+120*(1-4*x)^(1/4)-77)/(1-4*x)^(15/4).

CROSSREFS

Third column of A000369 is A143168, fifth one is A143170.

Also third column (m=3) of triangle A049029 (S2(5)). - Wolfdieter Lang, Nov 17 2008

Sequence in context: A176646 A160269 A049394 * A256324 A001201 A007850

Adjacent sequences:  A143166 A143167 A143168 * A143170 A143171 A143172

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Sep 15 2008

STATUS

approved

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Last modified October 18 16:21 EDT 2018. Contains 316323 sequences. (Running on oeis4.)