A069334 Number of 12 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

1, 23660, 197404203, 1131456031256, 5423397612311731, 23483738804219826986, 95261720343073832781620, 369211160728496631061072520, 1383615906056315517856514817504, 5053163560738707006885020833252029, 18085468170671030045687927149819479504

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, 13 X n A069335, 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 27 2024