A069337 Number of 15 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

1, 332928, 29171471659, 1576695869980497, 67786971099219351975, 2565563432103773559215466, 89664326393994299098755897107, 2967912283785413275946102921590796, 94425041381072960927161485578621702985, 2914679293396477655343534207456817389836472

Offset

1,2

Links

Table of n, a(n) for n=1..10.

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

Adjacent sequences: A069334 A069335 A069336 * A069338 A069339 A069340

Keyword

nonn

Author

R. H. Hardin, Mar 16 2002

Extensions

a(6)-a(10) from Sean A. Irvine, Apr 28 2024

Status

approved