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”).

A363419 as a triangular array

1
15
1719
194685
11182327376
11312779323761715
11518115477876176027890
1172442653193767968613205636693
1193164175400012472058166841000263171820
121397617773501614389319504684505857632433809380

A363419 as a square array

1111111111
579111315171921
194682127181244316397
853277931547265341756177
37623767876193764000173501
17151760279686247205614389
78901320568166843195046
3669310002638450585
1718207632433
809380
1111111111
579111315171921
194682127181244316397
853277931547265341756177
37623767876193764000173501
17151760279686247205614389
78901320568166843195046
3669310002638450585
1718207632433
809380