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A045666 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 80
6 384
7 2352
8 9856
9 42840
10 169280
11 676720
12 2630688
13 10265216
14 39777248
15 154498200
16 599556096
17 2330826752
18 9068386320
19 35332969392
20 137817005440
21 538204062984
22 2103970896544
23 8233197139552
24 32247052083840

[0,0,0,0,0,80,384,2352,9856,42840,169280,676720,
 2630688,10265216,39777248,154498200,599556096,
 2330826752,9068386320,35332969392,137817005440,
 538204062984,2103970896544,8233197139552,
 32247052083840]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)