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A039812 Matrix 4th power of Stirling-2 triangle A008277. 2
1, 4, 1, 22, 12, 1, 154, 136, 24, 1, 1304, 1650, 460, 40, 1, 12915, 21904, 8550, 1160, 60, 1, 146115, 318521, 162904, 30590, 2450, 84, 1, 1855570, 5051988, 3246068, 789824, 86940, 4592, 112, 1, 26097835, 86910426, 68151304, 20606796, 2919504 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..41.

FORMULA

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

EXAMPLE

1; 4,1; 22,12,1; 154,136,24,1; ...

CROSSREFS

Cf. A039810-A039813. |a(n, 1)| = A000307(n) (first column).

Sequence in context: A135049 A113384 A243663 * A249268 A057869 A166027

Adjacent sequences:  A039809 A039810 A039811 * A039813 A039814 A039815

KEYWORD

nonn,tabl

AUTHOR

Christian G. Bower, Feb 15 1999

STATUS

approved

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Last modified March 23 03:02 EDT 2019. Contains 321422 sequences. (Running on oeis4.)