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A305109 as a simple table

na(n)
01
10
21
32
42
52
615
730
818
96
10232
11492
12400
13144
1424
155335
1612450
1711450
185240
191200
20120
21175416
22439698
23447744
24237612
2569672
2610800
27720
287847665
2920851502
3022993348
3113653304
324724328
33956760
34105840
355040
36460083056
371283257192
381509767920
39979072928
40383250880
4192961216
4213700928
431128960
4440320
4534295632587
4699690153120
47123801126966
4886244590412
4937181530008
5010307520792
511842700968
52205630272
5313063680
54362880
553171572232860
569554655641770
5712424884790780
589188854250660
594284505197600
601318457696960
61271837330560
6237189193040
633241998720
64163296000
653628800

[1,0,1,2,2,2,15,30,18,6,232,492,400,144,24,5335,
 12450,11450,5240,1200,120,175416,439698,447744,
 237612,69672,10800,720,7847665,20851502,22993348,
 13653304,4724328,956760,105840,5040,460083056,
 1283257192,1509767920,979072928,383250880,
 92961216,13700928,1128960,40320,34295632587,
 99690153120,123801126966,86244590412,37181530008,
 10307520792,1842700968,205630272,13063680,362880,
 3171572232860,9554655641770,12424884790780,
 9188854250660,4284505197600,1318457696960,
 271837330560,37189193040,3241998720,163296000,
 3628800]