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”).

A088481 as a simple table

na(n)
11
22
33
44
55
66
77
88
910
1011
1112
1213
1314
1415
1516
1617
1718
1820
1921
2022
2123
2224
2325
2426
2527
2628
2730
2831
2932
3033
3134
3235
3336
3437
3538
3640
3741
3842
3943
4044
4145
4246
4347
4448
4550
4651
4752
4853
4954
5055
5156
5257
5358
5460
5561
5662
5763
5864
5965
6066
6167
6268
6370
6471
6572
6673
6774
6875
6976

[1,2,3,4,5,6,7,8,10,11,12,13,14,15,16,17,18,20,21,
 22,23,24,25,26,27,28,30,31,32,33,34,35,36,37,38,
 40,41,42,43,44,45,46,47,48,50,51,52,53,54,55,56,
 57,58,60,61,62,63,64,65,66,67,68,70,71,72,73,74,
 75,76]