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A366576 as a simple table

na(n)
13
215
342
4186
5399
61680
73282
815876
931836
10123690
11277344
121541568
132391486
148992680
1525483332
16111757968
17193819392
18967814400
191744488660
209366647892
2116912999320
2262424587520
23144219337920
24852903426816
251397135488896
264766016364260
2712477973754400

[3,15,42,186,399,1680,3282,15876,31836,123690,
 277344,1541568,2391486,8992680,25483332,111757968,
 193819392,967814400,1744488660,9366647892,
 16912999320,62424587520,144219337920,852903426816,
 1397135488896,4766016364260,12477973754400]