login

A178722 as a simple table

na(n)
10
20
30
40
50
60
7196
83072
942768
10550000
113573856
1225009344
13102800672
14454967744
151441238400
164811118592
1712616778208
1834692705648
1979514466480
20189770459200
21392908083876
22842040318416
231610365515264
243172863442176
255692888800000

[0,0,0,0,0,0,196,3072,42768,550000,3573856,
 25009344,102800672,454967744,1441238400,
 4811118592,12616778208,34692705648,79514466480,
 189770459200,392908083876,842040318416,
 1610365515264,3172863442176,5692888800000]