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”).

A049877 as a simple table

na(n)
32
43
54
64
75
86
98
109
119
1211
1312
1412
1514
1615
1716
1817
1917
2019
2120
2221
2322
2422
2524
2625
2720
2827
2927
3027
3130
3227
3332
3427
3534
3635
3736
3836
3927
4027
4140
4227
4342
4436
4544
4645
4746
4847
4931
5049
5133
5251
5352
5435
5553
5638
5756
5857
5958
6058
6143
6261
6362
6444
6563
6646
6766
6850
6968
7052
7170
7247
7372
7473
7573
7660

[2,3,4,4,5,6,8,9,9,11,12,12,14,15,16,17,17,19,20,
 21,22,22,24,25,20,27,27,27,30,27,32,27,34,35,36,
 36,27,27,40,27,42,36,44,45,46,47,31,49,33,51,52,
 35,53,38,56,57,58,58,43,61,62,44,63,46,66,50,68,
 52,70,47,72,73,73,60]