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A112493 as a simple table

na(n)
01
11
21
31
44
53
61
711
825
915
101
1126
12130
13210
14105
151
1657
17546
181750
192205
20945
211
22120
232037
2411368
2526775
2627720
2710395
281
29247
307071
3163805
32247555
33460845
34405405
35135135
361
37502
3823436
39325930
401939630
415735730
428828820
436756750
442027025
451

[1,1,1,1,4,3,1,11,25,15,1,26,130,210,105,1,57,546,
 1750,2205,945,1,120,2037,11368,26775,27720,10395,
 1,247,7071,63805,247555,460845,405405,135135,1,
 502,23436,325930,1939630,5735730,8828820,6756750,
 2027025,1]