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”).

A250583 as a triangular array

10
2424
556055
125142142125
282329336329282
635758778778758635
1428174317791776177917431428
32104009407740134013407740093210
721492239346905589149055934692237214
1621121227

A250583 as a square array

10245512528263514283210721416211
246014232975817434009922321227
55142336778177940779346
125329778177640139055
282758177940138914
635174340779055
142840099346
32109223
7214
10245512528263514283210721416211
246014232975817434009922321227
55142336778177940779346
125329778177640139055
282758177940138914
635174340779055
142840099346
32109223
7214