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”).

A146772 as a triangular array

1
11
161
111111
12822281
1695858691
1166207842071661
13916612912916613911
190419481336326133619489041
1205754125204140614065204541220571
1461814381180407890

A146772 as a square array

11111111111
1611286916639190420574618
11122582076611948541214381
12858842911336520418040
16920729132614067890
116666113361406
139119485204
19045412
12057
1
11111111111
1611286916639190420574618
11122582076611948541214381
12858842911336520418040
16920729132614067890
116666113361406
139119485204
19045412
12057
1