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

1,2

Links

Table of n, a(n) for n=1..11.

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.

Sequence in context: A177827 A304652 A230361 * A118061 A251855 A200437

Adjacent sequences: A069331 A069332 A069333 * A069335 A069336 A069337

Keyword

nonn

Author

R. H. Hardin, Mar 16 2002

Extensions

a(6)-a(11) from Sean A. Irvine, Apr 27 2024

Status

approved