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”).

A053449 as a simple table

na(n)
11
21
32
410
512
616
79
811
95
1014
116
122
134
1440
153
1623
1714
1826
1910
2058
2160
2212
2333
2435
2536
2610
2778
2882
2916
3088
3112
329
3312
3410
35102
36106
37108
38112
3911
4016
41110
4225
43126
44130
4518
46136
4723
4860
4914
5037
51150
526
53156
5422
5527
5683
57156
5843
5910
60178
6160
624
6380
6419
6596
6614
67198
6814
6940

[1,1,2,10,12,16,9,11,5,14,6,2,4,40,3,23,14,26,10,
 58,60,12,33,35,36,10,78,82,16,88,12,9,12,10,102,
 106,108,112,11,16,110,25,126,130,18,136,23,60,14,
 37,150,6,156,22,27,83,156,43,10,178,60,4,80,19,96,
 14,198,14,40]