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”).

A032518 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1112
1214
1316
1418
1520
1622
1724
1826
1928
2030
2132
2234
2336
2438
2540
2642
2744
2846
2948
3050
3152
3254
3356
3458
3560
3662
3764
3866
3969
4072
4175
4278
4381
4484
4587
4690
4793
4896
4999
50102
51105
52108
53111
54114
55117
56120
57123
58126
59129
60132
61135
62138
63141
64144
65147

[0,1,2,3,4,5,6,7,8,9,10,12,14,16,18,20,22,24,26,
 28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,
 60,62,64,66,69,72,75,78,81,84,87,90,93,96,99,102,
 105,108,111,114,117,120,123,126,129,132,135,138,
 141,144,147]