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A069341
Number of 19 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
17
1, 11309768, 22779900825195, 24471786016855404727, 19494870504116920632360116, 13160595194449992172457391361101, 8025991217666841006376543207614110979, 4574735745210954097724726033484092793843149, 2485328828679106654042733426185318122603041421600
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, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 20 X n A069342, n X n A069343, n X n symmetric A069344.
Sequence in context: A331359 A186090 A233847 * A204790 A183826 A323331
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2002
EXTENSIONS
a(5)-a(9) from Sean A. Irvine, Apr 28 2024
STATUS
approved