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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 (list; graph; refs; listen; history; text; internal format)
 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, 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 Adjacent sequences: A069332 A069333 A069334 * A069336 A069337 A069338 KEYWORD nonn AUTHOR R. H. Hardin, Mar 16 2002 EXTENSIONS a(6)-a(11) from Sean A. Irvine, Apr 28 2024 STATUS approved

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Last modified May 25 07:15 EDT 2024. Contains 372782 sequences. (Running on oeis4.)