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Matrix 4th power of partition triangle A008284.
3

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

%S 1,4,1,10,4,1,26,14,4,1,55,36,14,4,1,121,91,40,14,4,1,237,202,101,40,

%T 14,4,1,468,439,238,105,40,14,4,1,867,887,524,248,105,40,14,4,1,1597,

%U 1758,1105,560,252,105,40,14,4,1,2821,3325,2223,1190,570,252,105,40

%N Matrix 4th power of partition triangle A008284.

%C Row sums form A022813 (number of terms in n-th derivative of a function composed with itself 5 times). - _Paul D. Hanna_, Jul 13 2004

%e 1; 4,1; 10,4,1; 26,14,4,1; ...

%Y Cf. A038497, A038498, A039805, A039807. a(n, 1) = A022812(n) (first column).

%Y Cf. A022813.

%K nonn,tabl

%O 0,2

%A _Christian G. Bower_, Feb 15 1999