A069335 Number of 13 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

1, 57121, 1043751584, 12643706576681, 126017939209370356, 1125283073890577118094, 9370213923827917022436855, 74336348859792978822695533158, 569069897400777230243560762294416, 4238919196076677072267006057045464865, 30902027517838776937964167308887338619805

Offset: 1

Author

R. H. Hardin, Mar 16 2002

Keywords

• nonn

Crossrefs

Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, 20 X n A069342, n X n A069343, n X n symmetric A069344.

Extensions

a(6)-a(11) from Sean A. Irvine, Apr 28 2024