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A187784 as a simple table

na(n)
01
10
21
31
40
52
61
76
80
96
107
118
1236
130
1424
1521
16100
1760
18240
190
20120
21141
22372
231170
24480
251800
260
27720
28743
293584
305166
3113440
324200
3315120
340
355040
365699
3722864
3867368
3968544
40159600
4140320
42141120
430
4440320
4542241
46225684
47502200
481161216
49922320
501995840
51423360
521451520
530
54362880

[1,0,1,1,0,2,1,6,0,6,7,8,36,0,24,21,100,60,240,0,
 120,141,372,1170,480,1800,0,720,743,3584,5166,
 13440,4200,15120,0,5040,5699,22864,67368,68544,
 159600,40320,141120,0,40320,42241,225684,502200,
 1161216,922320,1995840,423360,1451520,0,362880]