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A051723 as a simple table

na(n)
030
130
2140
3105
41
5140
63960
7495
81430
96006
105460
11130
127140
132040
145168
1514535
1611970
1714630
1815180
195313
206325
2189700
2223400
236825
24142506
257830
26125860
2753940
2840920
2992752
30628320
316545
326290
33442890
34329004
3545695
36151905
37223860
38493640

[30,30,140,105,1,140,3960,495,1430,6006,5460,130,
 7140,2040,5168,14535,11970,14630,15180,5313,6325,
 89700,23400,6825,142506,7830,125860,53940,40920,
 92752,628320,6545,6290,442890,329004,45695,151905,
 223860,493640]