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A354324 as a simple table

n a(n)
0 1
1 0
2 1
3 6
4 35
5 220
6 1623
7 14294
8 144393
9 1605384
10 19295585
11 249938062
12 3485830299
13 52134346004
14 830954821431
15 14031857352270
16 249956799370193
17 4682845238636560
18 92038069890608769
19 1893193762636115990
20 40659808272769543635
21 909744112577077608012

[1,0,1,6,35,220,1623,14294,144393,1605384,
 19295585,249938062,3485830299,52134346004,
 830954821431,14031857352270,249956799370193,
 4682845238636560,92038069890608769,
 1893193762636115990,40659808272769543635,
 909744112577077608012]

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Last modified August 10 08:52 EDT 2024. Contains 375044 sequences. (Running on oeis4.)