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A039812
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Matrix 4th power of Stirling-2 triangle A008277.
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2
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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; internal format)
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OFFSET
| 1,2
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FORMULA
| E.g.f. k-th column: ((exp(exp(exp(exp(x)-1)-1)-1))^k)/k!.
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EXAMPLE
| 1; 4,1; 22,12,1; 154,136,24,1; ...
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CROSSREFS
| Cf. A039810-A039813. |a(n, 1)| = A000307(n) (first column).
Sequence in context: A142472 A135049 A113384 * A057869 A166027 A158978
Adjacent sequences: A039809 A039810 A039811 * A039813 A039814 A039815
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KEYWORD
| nonn,tabl
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AUTHOR
| Christian G. Bower (bowerc(AT)usa.net), Feb 15 1999.
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