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A357159 as a simple table

n a(n)
0 -1
1 -2
2 -4
3 -8
4 -8
5 -6
6 40
7 132
8 400
9 504
10 76
11 -4960
12 -18528
13 -56998
14 -94176
15 -58896
16 617216
17 2911128
18 9741760
19 19739472
20 21657312
21 -75073186
22 -483271024
23 -1800924184
24 -4274295720
25 -6374947674
26 7150661892
27 81254492928
28 345397065128
29 937137978804
30 1717431001440

[-1,-2,-4,-8,-8,-6,40,132,400,504,76,-4960,-18528,
 -56998,-94176,-58896,617216,2911128,9741760,
 19739472,21657312,-75073186,-483271024,
 -1800924184,-4274295720,-6374947674,7150661892,
 81254492928,345397065128,937137978804,
 1717431001440]

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Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)