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”).

A308503 as a simple table

na(n)
11
22
32
43
56
63
74
815
910
104
115
1212
1321
1418
155
166
1735
1820
1975
2014
216
227
2330
2455
2536
2633
2730
287
298
3077
3142
32245
3328
34105
3522
368
379
3824
3991
40150
4165
4260
4339
4454
459
4610
4745
4840
49847
5066
51385
5244
53375
5450
5510
5611
5770
5863
5972
60119
61210
6285
63108
64147
6542
6611
6712

[1,2,2,3,6,3,4,15,10,4,5,12,21,18,5,6,35,20,75,14,
 6,7,30,55,36,33,30,7,8,77,42,245,28,105,22,8,9,24,
 91,150,65,60,39,54,9,10,45,40,847,66,385,44,375,
 50,10,11,70,63,72,119,210,85,108,147,42,11,12]