A115086 Column 0 of triangle A115085.

1, 1, 3, 12, 58, 321, 1963, 13053, 92946, 702864, 5599204, 46746501, 407019340, 3682922657, 34519445611, 334288656446, 3336972646500, 34270606413428, 361466138304372, 3909661505975148, 43305438098350844, 490632571238216052

Offset: 0

Author

Paul D. Hanna, Jan 13 2006

Keywords

• nonn

Crossrefs

Cf. A115085, A115087 (column 1), A115088 (column 2), A115089 (row sums); A115081.