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”).

A303841 as a simple table

na(n)
11
21
31
41
51
61
71
82
92
102
111
122
134
144
153
161
173
186
1910
209
216
221
233
249
2517
2624
2720
2811
291
304
3112
3230
3350
3463
3548
3623
371
384
3916
4044
4196
42146
43164
44115
4547
461
475
4820
4967
50164
51315
52437
53444
54286
55106
561
575
5825
5991
60267
61592
621022
631300
641204
65719
66235
671
686
6930
70126
71408
721059
732126
743331
753899
763328
771842
78551

[1,1,1,1,1,1,1,2,2,2,1,2,4,4,3,1,3,6,10,9,6,1,3,9,
 17,24,20,11,1,4,12,30,50,63,48,23,1,4,16,44,96,
 146,164,115,47,1,5,20,67,164,315,437,444,286,106,
 1,5,25,91,267,592,1022,1300,1204,719,235,1,6,30,
 126,408,1059,2126,3331,3899,3328,1842,551]