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A052395 as a simple table

n a(n)
0 1
1 1
2 0
3 6
4 28
5 193
6 1140
7 7688
8 52364
9 373560
10 2732836
11 20506254
12 156899748
13 1221179922
14 9642327324
15 77092881840
16 623120435820
17 5085013101160
18 41850590485164
19 347060754685884
20 2897800074184240
21 24344668688255109
22 205667186830447412
23 1746375819789491992

[1,1,0,6,28,193,1140,7688,52364,373560,2732836,
 20506254,156899748,1221179922,9642327324,
 77092881840,623120435820,5085013101160,
 41850590485164,347060754685884,2897800074184240,
 24344668688255109,205667186830447412,
 1746375819789491992]

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Last modified April 24 14:32 EDT 2024. Contains 371960 sequences. (Running on oeis4.)