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”).

A136789 as a triangular array

1
02
1-15
14-515
4217-2352
1117279-109203
414680-20397-544877
162198208418-2442134-28764140
71584110319942389-205312196-1611321147
3425401446635771495014693-1581973798-95495115975

A136789 as a square array

1011411411627153425
2-14217461988414014
5-51728020810314663
15-2379-204189945771
52-109397-24423894950
203-5442134-205314693
877-287612196-15819
4140-1611373798
21147-95495
115975
1011411411627153425
2-14217461988414014
5-51728020810314663
15-2379-204189945771
52-109397-24423894950
203-5442134-205314693
877-287612196-15819
4140-1611373798
21147-95495
115975