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A260310 as a simple table

na(n)
13
28
37
416
511
618
77
827
917
1045
1129
1250
1341
1454
1553
1660
1731
1864
1971
2084
2129
2299
23107
24132
2561
26147
2741
28153
29131
30162
3153
32207
33157
34220
35113
36225
37179
38228
39239
40240
41131
42242
4379
44243
4573
46245
47127
48255
49127
50256
51229
52264
53223
54280
55113
56297
57199
58315
5973
60325
61317
62336
63181
64338
6543
66343
67269
68348

[3,8,7,16,11,18,7,27,17,45,29,50,41,54,53,60,31,
 64,71,84,29,99,107,132,61,147,41,153,131,162,53,
 207,157,220,113,225,179,228,239,240,131,242,79,
 243,73,245,127,255,127,256,229,264,223,280,113,
 297,199,315,73,325,317,336,181,338,43,343,269,348]