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”).

A153283 as a simple table

na(n)
02
13
23
32
414
52
62
725
825
92
102
1136
1286
1336
142
152
1647
17194
18194
1947
202
212
2256
23304
24734
25304
2656
272
282
2969
30410
313412
32410
3369
342
352
3680
37518
385961
395961
40518
4180
422

[2,3,3,2,14,2,2,25,25,2,2,36,86,36,2,2,47,194,194,
 47,2,2,56,304,734,304,56,2,2,69,410,3412,410,69,2,
 2,80,518,5961,5961,518,80,2]