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”).

A015761 as a simple table

na(n)
11
22
33
46
512
614
715
830
935
1038
1142
1254
1356
1470
1578
1687
1795
18105
19114
20126
21135
22140
23147
24168
25174
26182
27190
28209
29210
30215
31216
32222
33248
34258
35264
36270
37285
38294
39297
40315
41357
42418
43420
44430
45455
46456
47540
48546
49551
50570
51594
52609
53616
54627

[1,2,3,6,12,14,15,30,35,38,42,54,56,70,78,87,95,
 105,114,126,135,140,147,168,174,182,190,209,210,
 215,216,222,248,258,264,270,285,294,297,315,357,
 418,420,430,455,456,540,546,551,570,594,609,616,
 627]