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”).

A297874 as a simple table

na(n)
10
213
33
468
5231
6887
73307
813910
955501
10228947
11947582
123930953
1316243210
1467305782
15278635282
161154097789
174780226279
1819802856358
1982032779562
20339845971291
211407890373170
225832655811595
2324163797280825
24100107714077232

[0,13,3,68,231,887,3307,13910,55501,228947,947582,
 3930953,16243210,67305782,278635282,1154097789,
 4780226279,19802856358,82032779562,339845971291,
 1407890373170,5832655811595,24163797280825,
 100107714077232]