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”).

A339413 as a simple table

na(n)
00
11
21
33
41
53
65
78
85
95
105
118
128
1311
1414
1518
1614
1711
188
1911
208
2111
2214
2318
2415
2518
2621
2725
2828
2932
3036
3141
3236
3332
3428
3528
3624
3724
3824
3928
4024
4124
4224
4328
4428
4532
4636
4741
4837
4937
5037
5141
5241
5345
5449
5554
5654
5758
5862
5967
6071
6176
6281
6387
6481
6576
6671
6767
6862

[0,1,1,3,1,3,5,8,5,5,5,8,8,11,14,18,14,11,8,11,8,
 11,14,18,15,18,21,25,28,32,36,41,36,32,28,28,24,
 24,24,28,24,24,24,28,28,32,36,41,37,37,37,41,41,
 45,49,54,54,58,62,67,71,76,81,87,81,76,71,67,62]