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”).

A255057 as a simple table

na(n)
00
11
22
33
45
56
67
79
811
913
1014
1115
1216
1318
1421
1523
1625
1727
1829
1930
2031
2132
2234
2337
2439
2542
2645
2747
2848
2950
3053
3155
3257
3359
3461
3562
3663
3764
3866
3969
4071
4174
4276
4378
4481
4584
4687
4790
4893
4995
5096
5198
52101
53103
54106
55109
56111
57112
58114
59117
60119
61121
62123
63125
64126
65127

[0,1,2,3,5,6,7,9,11,13,14,15,16,18,21,23,25,27,29,
 30,31,32,34,37,39,42,45,47,48,50,53,55,57,59,61,
 62,63,64,66,69,71,74,76,78,81,84,87,90,93,95,96,
 98,101,103,106,109,111,112,114,117,119,121,123,
 125,126,127]