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A054142 as a simple table

na(n)
01
11
21
31
43
51
61
75
86
91
101
117
1215
1310
141
151
169
1728
1835
1915
201
211
2211
2345
2484
2570
2621
271
281
2913
3066
31165
32210
33126
3428
351
361
3715
3891
39286
40495
41462
42210
4336
441
451
4617
47120
48455
491001
501287
51924
52330
5345
541
551
5619
57153
58680
591820
603003
613003
621716
63495
6455
651

[1,1,1,1,3,1,1,5,6,1,1,7,15,10,1,1,9,28,35,15,1,1,
 11,45,84,70,21,1,1,13,66,165,210,126,28,1,1,15,91,
 286,495,462,210,36,1,1,17,120,455,1001,1287,924,
 330,45,1,1,19,153,680,1820,3003,3003,1716,495,55,
 1]