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A086872 as a simple table

na(n)
01
11
21
33
48
55
615
775
8121
961
10105
11840
122478
133128
141385
15945
1611025
1751030
18115350
19124921
2050521
2110395
22166320
231105335
243859680
257365633
267158128
272702765

[1,1,1,3,8,5,15,75,121,61,105,840,2478,3128,1385,
 945,11025,51030,115350,124921,50521,10395,166320,
 1105335,3859680,7365633,7158128,2702765]