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A215847 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
112
122
134
142
152
162
175
188
198
205
212
225
2315
24102
2578
26102
2715
285
295
3052
31364
321250
331250
34364
3552
365
3715
38203
398460
4029084
41159712
4229084
438460
44203
4515
4615
47877
4840612
49908408
504851360
514851360
52908408
5340612
54877
5515
5652
574140
581440676

[1,1,1,1,1,1,1,1,1,1,2,2,4,2,2,2,5,8,8,5,2,5,15,
 102,78,102,15,5,5,52,364,1250,1250,364,52,5,15,
 203,8460,29084,159712,29084,8460,203,15,15,877,
 40612,908408,4851360,4851360,908408,40612,877,15,
 52,4140,1440676]