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A253473 as a simple table

na(n)
10
20
31
42
51
61
72
84
94
102
114
126
136
144
1514
166
1712
186
194
2011
2114
2211
2316
246
2512
2616
2711
286
2914
3016
3118
3211
3334
3414
3526
3616
3712
3832
3916
4027
4122
4211
4322
4427
4526
4638
4714
4826
4938
5016
5116
5227
5332
5427
5548
5616
5726
5846
5932
6016
6157
6234
6348
6432
6516
6660
6738
6848
6942
7060

[0,0,1,2,1,1,2,4,4,2,4,6,6,4,14,6,12,6,4,11,14,11,
 16,6,12,16,11,6,14,16,18,11,34,14,26,16,12,32,16,
 27,22,11,22,27,26,38,14,26,38,16,16,27,32,27,48,
 16,26,46,32,16,57,34,48,32,16,60,38,48,42,60]