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”).

A103888 as a simple table

na(n)
13
28
312
421
523
638
742
845
948
1051
1154
1256
1359
1469
1572
1683
1786
1892
1993
20105
21111
22113
23131
24135
25137
26159
27161
28162
29174
30176
31183
32203
33207
34209
35210
36228
37230
38237
39245
40246
41249
42260
43264
44267
45273
46287
47300
48324
49327
50330
51336
52341
53345
54362
55386
56390
57396

[3,8,12,21,23,38,42,45,48,51,54,56,59,69,72,83,86,
 92,93,105,111,113,131,135,137,159,161,162,174,176,
 183,203,207,209,210,228,230,237,245,246,249,260,
 264,267,273,287,300,324,327,330,336,341,345,362,
 386,390,396]