A134308 A007318 * A082137.

1, 2, 1, 4, 4, 2, 8, 12, 12, 4, 16, 32, 48, 32, 8, 32, 80, 160, 160, 80, 16, 64, 192, 480, 640, 480, 192, 32, 128, 448, 1344, 2240, 2240, 1344, 448, 64, 256, 1024, 3584, 7168, 8960, 7168, 3584, 1024, 128, 512, 2304, 9216, 21504, 32256, 32256, 21504, 9216, 2304, 256

Offset: 0

Author

Gary W. Adamson, Oct 19 2007

Keywords

• nonn
• tabl

Comments

row sums = A007582: (1, 3, 10, 36, 136, 528, ...).

Examples

			First few rows of the triangle:
   1;
   2,  1;
   4,  4,   2;
   8, 12,  12,   4;
  16, 32,  48,  32,  8;
  32, 80, 160, 160, 80, 16;
  ...
		

Crossrefs

Cf. A007318, A007582, A082137.

Formula

Binomial transform of A082137, as infinite lower triangular matrices.

Extensions

a(5), a(46) corrected, a(27), a(34) split by Georg Fischer, Jun 01 2023