A069343 Number of n X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
1, 3, 51, 3828, 1225194, 1636193228, 9009490924794, 203037531986079710, 18633578769242938930634, 6939491897974410047045467672, 10460300685270373054347943215411456, 63693144523237155451684426136374621458792, 1564268765712262926681452283892583850491065259004
Offset: 1
Keywords
Extensions
a(8)-a(13) from Sean A. Irvine, Apr 29 2024