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A151627 as a simple table

na(n)
10
20
30
472
527664
62864328
7163809288
86727188848
9225167210712
106590156148912
11175992170793456
124407169187423736
13105396936343707456
142437638848729751736
1555010494951127561400
161219075824289276443744
1726652917330108137129544
18576864003740129587504224

[0,0,0,72,27664,2864328,163809288,6727188848,
 225167210712,6590156148912,175992170793456,
 4407169187423736,105396936343707456,
 2437638848729751736,55010494951127561400,
 1219075824289276443744,26652917330108137129544,
 576864003740129587504224]