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”).

A145376 as a simple table

na(n)
13
22
32
42
52
63
75
85
97
1011
1111
1211
1313
1417
1517
1619
1723
1823
1923
2029
2129
2229
2331
2437
2537
2641
2741
2841
2941
3043
3153
3253
3353
3459
3559
3661
3767
3867
3967
4071
4173
4273
4379
4479
4583
4683
4789
4897
4997
5097
5197
52101
53101
54107
55107
56113
57113
58127
59127
60127
61127
62127
63131
64137

[3,2,2,2,2,3,5,5,7,11,11,11,13,17,17,19,23,23,23,
 29,29,29,31,37,37,41,41,41,41,43,53,53,53,59,59,
 61,67,67,67,71,73,73,79,79,83,83,89,97,97,97,97,
 101,101,107,107,113,113,127,127,127,127,127,131,
 137]