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A184390 as a simple table

na(n)
11
23
36
436
515
6666
728
82080
9378
105050
1166
121493856
1391
1419306
1525425
16524800
17153
1817009028
19190
2032004000
2197461
22117370
23276
2455037822976
257875
26228826
27266085
28240956128
29435
30328050405000

[1,3,6,36,15,666,28,2080,378,5050,66,1493856,91,
 19306,25425,524800,153,17009028,190,32004000,
 97461,117370,276,55037822976,7875,228826,266085,
 240956128,435,328050405000]