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”).

A349128 as a simple table

na(n)
11
21
31
41
52
61
74
81
92
102
116
121
1310
144
152
161
1712
182
1916
202
214
226
2318
241
256
2610
274
284
2922
302
3128
321
336
3412
358
362
3730
3816
3910
402
4136
424
4340
446
454
4618
4742
481
4920
506
5112
5210
5346
544
5512
564
5716
5822
5952
602
6158
6228
638
641
6520
666
6760
6812
6918
708
7166
722
7370
7430
756
7616
7724
7810
7972
802
818
8236
8378
844
8524
8640
8722
886
8982
904
9140

[1,1,1,1,2,1,4,1,2,2,6,1,10,4,2,1,12,2,16,2,4,6,
 18,1,6,10,4,4,22,2,28,1,6,12,8,2,30,16,10,2,36,4,
 40,6,4,18,42,1,20,6,12,10,46,4,12,4,16,22,52,2,58,
 28,8,1,20,6,60,12,18,8,66,2,70,30,6,16,24,10,72,2,
 8,36,78,4,24,40,22,6,82,4,40]