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Matrix cube of partition triangle A008284.
9

%I #9 Dec 19 2015 13:09:18

%S 1,3,1,6,3,1,13,9,3,1,23,19,9,3,1,44,42,22,9,3,1,74,80,48,22,9,3,1,

%T 129,154,99,51,22,9,3,1,210,273,193,105,51,22,9,3,1,345,484,362,212,

%U 108,51,22,9,3,1,542,815,651,401,218,108,51,22,9,3,1,858,1369,1147

%N Matrix cube of partition triangle A008284.

%C Row sums form A022812 (number of terms in n-th derivative of a function composed with itself 4 times). - _Paul D. Hanna_, Jul 13 2004

%e 1; 3,1; 6,3,1; 13,9,3,1; ...

%Y Cf. A038497, A038498, A039806, A039807. a(n, 1) = A022811(n) (first column).

%Y Cf. A022812.

%K nonn,tabl

%O 1,2

%A _Christian G. Bower_, Feb 15 1999