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”).

A104060 as a simple table

na(n)
11
21
32
41
52
61
79
84
93
102
1117
121
135
147
159
161
172
181
1917
2011
219
2212
2320
2414
2524
266
279
289
2941
301
3114
323
332
3423
359
363
372
3817
3959
405
413
422
4330
4411
4521
464
4739
4821
4941
506
5132
524
533
542
5572
5610
5739
589
5972
601
6136
623
632
6414
6517
6613
6784
6810
6915
704
71122
725
736
743
752
7610
7741
7815
795
8013
815
8213
8390
849
8538
8632

[1,1,2,1,2,1,9,4,3,2,17,1,5,7,9,1,2,1,17,11,9,12,
 20,14,24,6,9,9,41,1,14,3,2,23,9,3,2,17,59,5,3,2,
 30,11,21,4,39,21,41,6,32,4,3,2,72,10,39,9,72,1,36,
 3,2,14,17,13,84,10,15,4,122,5,6,3,2,10,41,15,5,13,
 5,13,90,9,38,32]