A303810 Mirror image of the triangle A026794.

1, 1, 1, 1, 0, 2, 1, 0, 1, 3, 1, 0, 0, 1, 5, 1, 0, 0, 1, 2, 7, 1, 0, 0, 0, 1, 2, 11, 1, 0, 0, 0, 1, 1, 4, 15, 1, 0, 0, 0, 0, 1, 2, 4, 22, 1, 0, 0, 0, 0, 1, 1, 2, 7, 30, 1, 0, 0, 0, 0, 0, 1, 1, 3, 8, 42, 1, 0, 0, 0, 0, 0, 1, 1, 2, 4, 12, 56, 1, 0, 0, 0, 0, 0, 0, 1, 1, 2, 5, 14, 77, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 3

Offset: 1

Author

Omar E. Pol, May 05 2018

Keywords

• nonn
• tabl

Examples

			Triangle begins:
1;
1,  1;
1,  0,  2;
1,  0,  1,  3;
1,  0,  0,  1,  5;
1,  0,  0,  1,  2,  7;
1,  0,  0,  0,  1,  2, 11;
1,  0,  0,  0,  1,  1,  4, 15;
1,  0,  0,  0,  0,  1,  2,  4, 22;
1,  0,  0,  0,  0,  1,  1,  2,  7, 30;
1,  0,  0,  0,  0,  0,  1,  1,  3,  8, 42;
1,  0,  0,  0,  0,  0,  1,  1,  2,  4, 12, 56;
1,  0,  0,  0,  0,  0,  0,  1,  1,  2,  5, 14, 77;
1,  0,  0,  0,  0,  0,  0,  1,  1,  1,  3,  6, 21, 101;
1,  0,  0,  0,  0,  0,  0,  0,  1,  1,  2,  3,  9,  24, 135;
...
		

Crossrefs

Leading diagonal gives A000041.

Second diagonal gives A002865.

Row sums give A000041, n >= 1.

Columns 1-4: A000012, A000007, A033322, A278105.

Cf. A026794.