A069331 Number of 9 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

1, 1681, 1332456, 804230945, 424660442975, 207204257344200, 95972872569551099, 42856467943438387389, 18633578769242938930634, 7941841818960714166446386, 3334133239588212397398261473, 1383615906056315517856514817504, 569069897400777230243560762294416

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, 10 X n A069332, 11 X n A069333, 12 X n A069334, 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(7)-a(13) from Sean A. Irvine, Apr 27 2024