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A185270 as a simple table

n a(n)
0 0
1 648
2 41472
3 472392
4 2654208
5 10125000
6 30233088
7 76236552
8 169869312
9 344373768
10 648000000
11 1147971528
12 1934917632
13 3127772232
14 4879139328
15 7381125000
16 10871635968
17 15641144712
18 22039921152
19 30485730888
20 41472000000
21 55576446408
22 73470177792
23 95927256072

[0,648,41472,472392,2654208,10125000,30233088,
 76236552,169869312,344373768,648000000,1147971528,
 1934917632,3127772232,4879139328,7381125000,
 10871635968,15641144712,22039921152,30485730888,
 41472000000,55576446408,73470177792,95927256072]

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)