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A069335
Number of 13 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
17
1, 57121, 1043751584, 12643706576681, 126017939209370356, 1125283073890577118094, 9370213923827917022436855, 74336348859792978822695533158, 569069897400777230243560762294416, 4238919196076677072267006057045464865, 30902027517838776937964167308887338619805
OFFSET
1,2
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.
Sequence in context: A138597 A206758 A019290 * A236152 A340434 A352244
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2002
EXTENSIONS
a(6)-a(11) from Sean A. Irvine, Apr 28 2024
STATUS
approved