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”).

A038699 as a simple table

na(n)
13
23
32
43
519
65
713
87
917
1019
1143
1211
13103
1413
1529
1631
1767
1817
1937
2019
2141
2243
23367
2423
25199
26103
2753
28223
29463
3029
3161
3231
33131
3467
35139
3671
3773
3837
39311
4079
41163
4241
435503
4443
4589
46367
47751
4847
4997
50199
51101
52103
53211
5453
55109
56223
57113
58463
59241663
6059
61487
6261

[3,3,2,3,19,5,13,7,17,19,43,11,103,13,29,31,67,17,
 37,19,41,43,367,23,199,103,53,223,463,29,61,31,
 131,67,139,71,73,37,311,79,163,41,5503,43,89,367,
 751,47,97,199,101,103,211,53,109,223,113,463,
 241663,59,487,61]