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”).

A145224 as a triangular array

1
01
001
2001
38001
241520001
1301444540001
93091050410570001
7413744036401344210112001
667526671733480109203024378168001

A145224 as a square array

1002324130930741366752
100815144910744066717
1002045504364033480
10040105134410920
100702103024
100112378
100168
100
10
1
1002324130930741366752
100815144910744066717
1002045504364033480
10040105134410920
100702103024
100112378
100168
100
10
1