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”).

A223048 as a triangular array

3
66
182018
4512012045
1415362160536141
386337824120241203378386
119117362476298570915476298173621191
34021085346701732289421552894215567017321085343402
10446597935129263994932439860

A223048 as a square array

3618451413861191340210446
620120536337817362108534597935
181202160241204762986701732129263994
455362412057091528942155932439860
141337847629828942155
386173626701732
1191108534
3402
3618451413861191340210446
620120536337817362108534597935
181202160241204762986701732129263994
455362412057091528942155932439860
141337847629828942155
386173626701732
1191108534
3402