A039806 Matrix 4th power of partition triangle A008284.

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, 14, 4, 1, 468, 439, 238, 105, 40, 14, 4, 1, 867, 887, 524, 248, 105, 40, 14, 4, 1, 1597, 1758, 1105, 560, 252, 105, 40, 14, 4, 1, 2821, 3325, 2223, 1190, 570, 252, 105, 40

Offset

0,2

Comments

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

Links

Table of n, a(n) for n=0..62.

Example

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

Crossrefs

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

Cf. A022813.

Sequence in context: A158824 A348074 A334161 * A030320 A104713 A185945

Adjacent sequences: A039803 A039804 A039805 * A039807 A039808 A039809

Keyword

nonn,tabl

Author

Christian G. Bower, Feb 15 1999

Status

approved