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A189734 as a simple table

na(n)
12
25
320
465
5230
6785
72720
89365
932330
10111485
11384620
121326665
134576430
1415786185
1554454520
16187839965
17647952530
182235104885
197709972420
2026595469265
2191740800630
22316458947585
231091621898320
243765538534565
2512989186560730
2644806065794285

[2,5,20,65,230,785,2720,9365,32330,111485,384620,
 1326665,4576430,15786185,54454520,187839965,
 647952530,2235104885,7709972420,26595469265,
 91740800630,316458947585,1091621898320,
 3765538534565,12989186560730,44806065794285]