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A321627 as a simple table

na(n)
01
11
21
33
44
51
615
721
87
91
10105
11144
1248
1310
141
15945
161245
17372
1884
1913
201
2110395
2213140
233357
24726
25129
2616
271
28135135
29164745
3035415
316873
321233
33183
3419
351
362027025
372399040
38434520
3973116
4012306
411920
42246
4322
441

[1,1,1,3,4,1,15,21,7,1,105,144,48,10,1,945,1245,
 372,84,13,1,10395,13140,3357,726,129,16,1,135135,
 164745,35415,6873,1233,183,19,1,2027025,2399040,
 434520,73116,12306,1920,246,22,1]