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A327881 as a simple table

n a(n)
0 0
1 0
2 1
3 3
4 0
5 10
6 75
7 126
8 196
9 1548
10 15525
11 39820
12 161106
13 358722
14 3705884
15 46623045
16 142988280
17 768721504
18 3560215293
19 12250746432
20 144581799790
21 2542575063630
22 8955836934660
23 55657973021431
24 319349051391228
25 1983548989621200
26 7898257536096850

[0,0,1,3,0,10,75,126,196,1548,15525,39820,161106,
 358722,3705884,46623045,142988280,768721504,
 3560215293,12250746432,144581799790,2542575063630,
 8955836934660,55657973021431,319349051391228,
 1983548989621200,7898257536096850]

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Last modified April 25 11:24 EDT 2024. Contains 371967 sequences. (Running on oeis4.)