A132073 A007318 + A131821 - A103451 as infinite lower triangular matrices.

1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 7, 5, 5, 6, 6, 11, 11, 6, 6, 7, 7, 16, 21, 16, 7, 7, 8, 8, 22, 36, 36, 22, 8, 8, 9, 9, 29, 57, 71, 57, 29, 9, 9, 10, 10, 37, 85, 127, 127, 85, 37, 10, 10

Offset: 0

Author

Gary W. Adamson, Aug 09 2007

Keywords

• nonn
• tabl

Comments

Row sums = A132074: (1, 4, 9, 16, 27, 46, 81, 148, 279, ...).

Examples

			First few rows of the triangle:
   1;
   2,  2;
   3,  3,  3;
   4,  4,  4,  4;
   5,  5,  7,  5,   5;
   6,  6, 11, 11,   6,   6;
   7,  7, 16, 21,  16,   7,  7;
   8,  8, 22, 36,  36,  22,  8,  8;
   9,  9, 29, 57,  71,  57, 29,  9,  9;
  10, 10, 37, 85, 127, 127, 85, 37, 10, 10;
  ...
		

Crossrefs

Cf. A007318, A131821, A103451, A132074.