login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A087428 as a simple table

na(n)
12
26
34
44
514
615
77
89
924
1011
1132
1233
1313
1415
1546
1616
1752
1819
1919
2061
2122
2224
2375
2477
2578
2628
2728
2886
2999
3034
3136
32105
3340
34114
3541
36124
3743
3845
39136
4046
41146
4249
43149
44150
4556
4659
4758
4858
49176
50181
5161
52191
5366
54199
5569
56204
5771
58212
59213
6076
61234
6279
6379
64239
65252
6686

[2,6,4,4,14,15,7,9,24,11,32,33,13,15,46,16,52,19,
 19,61,22,24,75,77,78,28,28,86,99,34,36,105,40,114,
 41,124,43,45,136,46,146,49,149,150,56,59,58,58,
 176,181,61,191,66,199,69,204,71,212,213,76,234,79,
 79,239,252,86]