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”).

A333531 as a simple table

na(n)
13
26
310
46
58
615
78
811
921
1028
1113
1236
1310
1411
1516
1623
1745
1813
1928
2055
2118
2223
2366
2421
2527
2678
2716
2846
2991
3015
3118
3220
3323
3436
3553
36105
3726
3841
39120
40136
4121
4228
4352
4477
45153
4623
4731
4858
4986
50171
5140
5249
53190
5421
5523
5633
5744
5854
5971
60210
6123
6226
6336
6441
6578
66116
67231
6828
69253

[3,6,10,6,8,15,8,11,21,28,13,36,10,11,16,23,45,13,
 28,55,18,23,66,21,27,78,16,46,91,15,18,20,23,36,
 53,105,26,41,120,136,21,28,52,77,153,23,31,58,86,
 171,40,49,190,21,23,33,44,54,71,210,23,26,36,41,
 78,116,231,28,253]