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A186368 as a simple table

na(n)
01
11
21
31
41
54
61
710
85
91
1020
1140
121
1335
14175
1561
161
1756
18560
19768
201
2184
221470
234996
241385
251
26120
273360
2822720
2924320
301
31165
326930
3381730
34214445
3550521
361
37220
3813200
39248512
401288320
411152512
421
43286
4423595
45665236
465986695
4712989678
482702765
491
50364
5140040
521610752
5323063040
5498169344
5576477440

[1,1,1,1,1,4,1,10,5,1,20,40,1,35,175,61,1,56,560,
 768,1,84,1470,4996,1385,1,120,3360,22720,24320,1,
 165,6930,81730,214445,50521,1,220,13200,248512,
 1288320,1152512,1,286,23595,665236,5986695,
 12989678,2702765,1,364,40040,1610752,23063040,
 98169344,76477440]