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”).

A048284 as a simple table

na(n)
02
14
26
37
49
59
612
714
814
915
1017
1119
1220
1320
1421
1523
1626
1726
1827
1927
2029
2131
2233
2334
2435
2535
2635
2737
2839
2941
3042
3144
3244
3344
3444
3546
3648
3751
3852
3954
4054
4154
4254
4354
4455
4557
4661
4762
4863
4964
5064
5165
5265
5365
5467
5569
5672
5773
5875
5975
6076
6177
6277
6377
6477
6578
6681
6784
6885
6986
7087
7188
7290
7390
7490
7590
7690

[2,4,6,7,9,9,12,14,14,15,17,19,20,20,21,23,26,26,
 27,27,29,31,33,34,35,35,35,37,39,41,42,44,44,44,
 44,46,48,51,52,54,54,54,54,54,55,57,61,62,63,64,
 64,65,65,65,67,69,72,73,75,75,76,77,77,77,77,78,
 81,84,85,86,87,88,90,90,90,90,90]