cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A069343 Number of n X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Original entry on oeis.org

1, 3, 51, 3828, 1225194, 1636193228, 9009490924794, 203037531986079710, 18633578769242938930634, 6939491897974410047045467672, 10460300685270373054347943215411456, 63693144523237155451684426136374621458792, 1564268765712262926681452283892583850491065259004
Offset: 1

Views

Author

R. H. Hardin, Mar 16 2002

Keywords

Crossrefs

Cf. m X n A069325-A069342, n X n symmetric A069344.
Main diagonal of A359575.

Extensions

a(8)-a(13) from Sean A. Irvine, Apr 29 2024