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A368587 as a simple table

n a(n)
0 0
1 1
2 4
3 9
4 20
5 26
6 96
7 -210
8 2472
9 -20961
10 211612
11 -2324729
12 27901116
13 -362708320
14 5077925048
15 -76168864092
16 1218701840976
17 -20717931276243
18 372922762998708
19 -7085532496941803
20 141710649938878564
21 -2975923648716396714
22 65470320271760793488

[0,1,4,9,20,26,96,-210,2472,-20961,211612,
 -2324729,27901116,-362708320,5077925048,
 -76168864092,1218701840976,-20717931276243,
 372922762998708,-7085532496941803,
 141710649938878564,-2975923648716396714,
 65470320271760793488]

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Last modified July 19 09:55 EDT 2024. Contains 374392 sequences. (Running on oeis4.)