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A285639 as a simple table

na(n)
12
23
35
46
57
615
711
812
915
1035
1113
1230
1317
1477
1535
1624
1719
1845
1923
2070
2177
22143
2329
2460
2535
26221
2745
28154
2931
30105
3137
3248
33143
34323
3577
3690
3741
38437
39221
40140
4143
42231
4347
44286
45105
46667
4753
48120
4977
50175
51323
52442
5359
54135
55143
56308
57437
58899
5961
60210
6167
621147

[2,3,5,6,7,15,11,12,15,35,13,30,17,77,35,24,19,45,
 23,70,77,143,29,60,35,221,45,154,31,105,37,48,143,
 323,77,90,41,437,221,140,43,231,47,286,105,667,53,
 120,77,175,323,442,59,135,143,308,437,899,61,210,
 67,1147]