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”).

A294639 as a simple table

na(n)
12
23
37
45
519
65
711
85
913
1011
112
1211
1311
1413
1513
1611
1743
1811
1947
2029
2111
2231
23101
247
253
263
275
285
297
307
3159
3229
3361
3431
3561
3629
37139
38103
3967
4067
4167
4229
4367
4471
4573
4631
4771
4817
4967
5071
5173
5273
53607
5419
5573
5617
5773
5819
59313
6019
6183
6217
6371
6473
65337
6613
6771

[2,3,7,5,19,5,11,5,13,11,2,11,11,13,13,11,43,11,
 47,29,11,31,101,7,3,3,5,5,7,7,59,29,61,31,61,29,
 139,103,67,67,67,29,67,71,73,31,71,17,67,71,73,73,
 607,19,73,17,73,19,313,19,83,17,71,73,337,13,71]