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A275786 as a simple table

na(n)
11
23
36
430
515
6378
728
81080
9270
102475
1166
12294840
1391
148820
1510800
16146880
17153
182908710
19190
205197500
2138808
2250094
23276
243184272000
254875
2695823
27102060
2835809200
29435
3017401230000
31496
3277552640
33222156
34273105
35264600
361511016670800
37703
38422370
39425880

[1,3,6,30,15,378,28,1080,270,2475,66,294840,91,
 8820,10800,146880,153,2908710,190,5197500,38808,
 50094,276,3184272000,4875,95823,102060,35809200,
 435,17401230000,496,77552640,222156,273105,264600,
 1511016670800,703,422370,425880]