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A130661 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 31
9 1382
10 35396
11 686044
12 11204160
13 163014240
14 2184175040
15 27534645760
16 331417960960
17 3848744330240
18 43455499573248
19 479802090507264 

[0,0,0,0,0,0,0,0,31,1382,35396,686044,11204160,
 163014240,2184175040,27534645760,331417960960,
 3848744330240,43455499573248,479802090507264]

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Last modified April 23 12:27 EDT 2024. Contains 371912 sequences. (Running on oeis4.)