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”).

A072012 as a simple table

na(n)
11
22
31
44
55
62
77
88
91
1010
111
124
137
1414
155
1616
1717
182
1919
2020
217
222
235
248
2525
2614
271
2828
2929
3010
3131
3232
331
3434
3535
364
3715
3838
397
4040
4141
4214
4343
444
455
4610
477
4816
4949
5050
5117
5228
5363
542
555
5656
5719
5858
5917
6020
615
6262
637
6464
6535
662
67105
6868
695
7070
7121
728
7349
7430

[1,2,1,4,5,2,7,8,1,10,1,4,7,14,5,16,17,2,19,20,7,
 2,5,8,25,14,1,28,29,10,31,32,1,34,35,4,15,38,7,40,
 41,14,43,4,5,10,7,16,49,50,17,28,63,2,5,56,19,58,
 17,20,5,62,7,64,35,2,105,68,5,70,21,8,49,30]