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”).

A202703 as a triangular array

1
01
110
6788
29231680

A202703 as a square array

101629
11723
0816
88
0
101629
11723
0816
88
0