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A069343
Number of n X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
21
1, 3, 51, 3828, 1225194, 1636193228, 9009490924794, 203037531986079710, 18633578769242938930634, 6939491897974410047045467672, 10460300685270373054347943215411456, 63693144523237155451684426136374621458792, 1564268765712262926681452283892583850491065259004
OFFSET
1,2
CROSSREFS
Cf. m X n A069325-A069342, n X n symmetric A069344.
Main diagonal of A359575.
Sequence in context: A210676 A105639 A003028 * A084882 A275798 A246050
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2002
EXTENSIONS
a(8)-a(13) from Sean A. Irvine, Apr 29 2024
STATUS
approved