login

A247104 as a simple table

na(n)
13
25
37
431
542
653
786
897
9110
10143
11154
12165
13187
14209
15211
16222
17233
18255
19266
20277
21299
22310
23323
24334
25345
26367
27389
28411
29413
30435
31446
32457
33479
34501
35514
36547
37569
38591
39602
40613
41615
42626
43659
44670
45681
46703
47714
48727
49749
50771
51782
52793
53815
54817

[3,5,7,31,42,53,86,97,110,143,154,165,187,209,211,
 222,233,255,266,277,299,310,323,334,345,367,389,
 411,413,435,446,457,479,501,514,547,569,591,602,
 613,615,626,659,670,681,703,714,727,749,771,782,
 793,815,817]