A117566 Strip A117488 of r-1 row values 1,2,5,10,20,36,65 ... A000712.

1, 2, 3, 5, 8, 14, 10, 18, 30, 49, 20, 34, 59, 94, 149, 36, 63, 104, 169, 264, 405, 65, 108, 179, 284, 445, 676, 1017, 110, 183, 294, 465, 716, 1089, 1622, 2387, 185, 298, 475, 736, 1129, 1694, 2517, 3678, 5324, 300, 479, 746, 1149, 1734, 2589, 3808, 5544, 7972

Offset: 1

Author

Alford Arnold, Mar 29 2006

Keywords

• nonn
• tabl

Comments

Note that the Durfee Square sequences addressed in A115994, A117488 and this triangular array can be generated using self-convolution of diagonals in the partition array A008284.

Examples

			Row four of A117488 is 1 2 5 10 18 30 49
remove 3 terms 1 2 5 so
row four of A117566 is 10 18 30 49
		

Crossrefs

Cf. A000041 A008284 A115994 A117488.

Formula

T(n,k) = A117488(n,n+k-1), 1<=k<=n . - R. J. Mathar, Jan 22 2008

Extensions

More terms from R. J. Mathar, Jan 22 2008