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A242342 as a simple table

na(n)
10
20
33
44
510
615
721
856
936
10120
1155
12792
1378
14364
15105
16560
17136
183060
19171
201140
21210
221540
23253
2442504
25300
262600
27351
283276
29406
3027405
31465
324960
33528
345984
35595
36376992
37666
388436
39741
409880
41820
42111930
43903
4413244
45990
4615180
471081
481712304
491176

[0,0,3,4,10,15,21,56,36,120,55,792,78,364,105,560,
 136,3060,171,1140,210,1540,253,42504,300,2600,351,
 3276,406,27405,465,4960,528,5984,595,376992,666,
 8436,741,9880,820,111930,903,13244,990,15180,1081,
 1712304,1176]