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A175686 as a simple table

na(n)
00
11
21
32
43
54
67
77
814
911
1025
1116
1241
1322
1463
1529
1692
1737
18129
1946
20175
2156
22231
2367
24298
2579
26377
2792
28469
29106
30575
31121
32696
33137
34833
35154
36987
37172
381159
39191
401350
41211
421561
43232
441793
45254
462047
47277
482324
49301
502625
51326
522951
53352
543303
55379

[0,1,1,2,3,4,7,7,14,11,25,16,41,22,63,29,92,37,
 129,46,175,56,231,67,298,79,377,92,469,106,575,
 121,696,137,833,154,987,172,1159,191,1350,211,
 1561,232,1793,254,2047,277,2324,301,2625,326,2951,
 352,3303,379]