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A145648 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 0
5 1722
6 10619
7 49815
8 157563
9 341530
10 487326
11 487326
12 341530
13 157563
14 49815
15 10619
16 1722
17 0
18 0
19 0
20 0
21 1

[1,0,0,0,0,1722,10619,49815,157563,341530,487326,
 487326,341530,157563,49815,10619,1722,0,0,0,0,1]

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Last modified July 5 19:07 EDT 2024. Contains 374028 sequences. (Running on oeis4.)