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”).

A045995 as a simple table

na(n)
01
11
21
31
41
51
61
72
82
91
101
113
128
133
141
151
165
1755
1855
195
201
211
228
23610
246765
25610
268
271
281
2913
3010946
319227465
329227465
3310946
3413
351
361
3721
38317811
39225851433717
40190392490709135
41225851433717
42317811
4321
441
451
4634
4714930352

[1,1,1,1,1,1,1,2,2,1,1,3,8,3,1,1,5,55,55,5,1,1,8,
 610,6765,610,8,1,1,13,10946,9227465,9227465,10946,
 13,1,1,21,317811,225851433717,190392490709135,
 225851433717,317811,21,1,1,34,14930352]