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A039811 Matrix cube of Stirling-2 Triangle A008277. 2
1, 3, 1, 12, 9, 1, 60, 75, 18, 1, 358, 660, 255, 30, 1, 2471, 6288, 3465, 645, 45, 1, 19302, 65051, 47838, 12495, 1365, 63, 1, 167894, 728556, 685580, 235193, 35700, 2562, 84, 1, 1606137, 8792910, 10285488, 4444188, 877653, 86940, 4410, 108, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

FORMULA

E.g.f. k-th column: ((exp(exp(exp(x)-1)-1))^k)/k!.

EXAMPLE

1; 3,1; 12,9,1; 60,75,18,1; ...

CROSSREFS

Cf. A039810-A039813. |a(n, 1)| = A000258(n) (first column).

Sequence in context: A062139 A156366 A144353 * A046089 A113360 A089434

Adjacent sequences:  A039808 A039809 A039810 * A039812 A039813 A039814

KEYWORD

nonn,tabl

AUTHOR

Christian G. Bower, Feb 15 1999

STATUS

approved

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Last modified October 16 13:51 EDT 2019. Contains 328093 sequences. (Running on oeis4.)