A349816 Irregular triangle read by rows: the right-hand side of the triangle in A349815.

1, 1, 1, 1, 2, 1, 2, 4, 4, 3, 1, 8, 13, 12, 8, 4, 1, 13, 33, 41, 37, 25, 13, 5, 1, 74, 124, 136, 116, 80, 44, 19, 6, 1, 124, 334, 450, 456, 376, 259, 149, 70, 26, 7, 1, 784, 1364, 1616, 1541, 1240, 854, 504, 252, 104, 34, 8, 1, 1364, 3764, 5305, 5761, 5251, 4139, 2850, 1714, 894, 398, 147, 43, 9, 1, 9069, 16194, 20081, 20456, 18001, 13954, 9597, 5856, 3153, 1482, 597, 200, 53, 10, 1

Offset: 0

Author

N. J. A. Sloane, Dec 23 2021

Keywords

• nonn
• tabf

Comments

It seems more symmetrical to omit the central column of zeros in A349815.

Examples

			Triangle begins:
    1;
    1,    1;
    1,    2,    1;
    2,    4,    4,    3,    1;
    8,   13,   12,    8,    4,   1;
   13,   33,   41,   37,   25,  13,   5,   1;
   74,  124,  136,  116,   80,  44,  19,   6,   1;
  124,  334,  450,  456,  376, 259, 149,  70,  26,  7, 1;
  784, 1364, 1616, 1541, 1240, 854, 504, 252, 104, 34, 8, 1;
  ...
		

Crossrefs

Cf. A348815, A349818.