login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A214582 as a triangular array

1
11
231
3451
571071
811152091
1318253534111
212940557552131
3447659012514374151
5576105145200275247100171

A214582 as a square array

11235813213455
13471118294776
151015254065105
1720355590145
193475125200
11152143275
11374247
115100
117
1
11235813213455
13471118294776
151015254065105
1720355590145
193475125200
11152143275
11374247
115100
117
1