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A069337
Number of 15 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
17
1, 332928, 29171471659, 1576695869980497, 67786971099219351975, 2565563432103773559215466, 89664326393994299098755897107, 2967912283785413275946102921590796, 94425041381072960927161485578621702985, 2914679293396477655343534207456817389836472
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, 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: A254590 A254358 A206658 * A187138 A185843 A261861
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2002
EXTENSIONS
a(6)-a(10) from Sean A. Irvine, Apr 28 2024
STATUS
approved