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”).

A355479 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2020
2120
2220
2320
2420
2521
2622
2723
2824
2924
3025
3126
3227
3328
3429
3530
3631
3731
3831
3931
4031
4132
4233
4334
4435
4536
4637
4738
4839
4940
5040
5141
5242
5342
5443
5544
5645
5746
5846
5946
6047
6147
6248
6349
6450
6551
6651
6751

[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,
 19,20,20,20,20,20,21,22,23,24,24,25,26,27,28,29,
 30,31,31,31,31,31,32,33,34,35,36,37,38,39,40,40,
 41,42,42,43,44,45,46,46,46,47,47,48,49,50,51,51,
 51]