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A200091 as a simple table

na(n)
21
31
41
56
61
720
81
950
1090
111
12112
13630
141
15238
162940
172520
181
19492
2011508
2130240
221
231002
2440950
25226800
26113400
271
282024
29137610
301367520
312079000
321
334070
34445896
357271880
3622869000
377484400
381
398164
401410552
4135692800
42196396200
43194594400
441
4516354

[1,1,1,6,1,20,1,50,90,1,112,630,1,238,2940,2520,1,
 492,11508,30240,1,1002,40950,226800,113400,1,2024,
 137610,1367520,2079000,1,4070,445896,7271880,
 22869000,7484400,1,8164,1410552,35692800,
 196396200,194594400,1,16354]