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A039811 Matrix cube of Stirling2 Triangle A008277. 2

%I

%S 1,3,1,12,9,1,60,75,18,1,358,660,255,30,1,2471,6288,3465,645,45,1,

%T 19302,65051,47838,12495,1365,63,1,167894,728556,685580,235193,35700,

%U 2562,84,1,1606137,8792910,10285488,4444188,877653,86940,4410,108,1

%N Matrix cube of Stirling2 Triangle A008277.

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

%e Triangle begins

%e 1;

%e 3, 1;

%e 12, 9, 1;

%e 60, 75, 18, 1; ...

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

%K nonn,tabl

%O 1,2

%A _Christian G. Bower_, Feb 15 1999

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Last modified September 27 19:04 EDT 2020. Contains 337388 sequences. (Running on oeis4.)