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”).

A194505 as a triangular array

1
21
384
427722
56477610201
6125416059052327681
72161580410485601434890720971521
834346872976563010737418241046035320326846006416
95121180966046614030517578125

A194505 as a square array

123456789
182764125216343512
47277641601580446872118096
21020590521048560976563060466140
13276814348907107374182430517578125
1209715210460353203
1268460064
16
123456789
182764125216343512
47277641601580446872118096
21020590521048560976563060466140
13276814348907107374182430517578125
1209715210460353203
1268460064
16