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”).

A122983 as a simple table

na(n)
01
11
23
37
421
561
6183
7547
81641
94921
1014763
1144287
12132861
13398581
141195743
153587227
1610761681
1732285041
1896855123
19290565367
20871696101
212615088301
227845264903
2323535794707
2470607384121
25211822152361
26635466457083

[1,1,3,7,21,61,183,547,1641,4921,14763,44287,
 132861,398581,1195743,3587227,10761681,32285041,
 96855123,290565367,871696101,2615088301,
 7845264903,23535794707,70607384121,211822152361,
 635466457083]