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A165458 as a simple table

n a(n)
0 1
1 4
2 8
3 40
4 56
5 424
6 248
7 4840
8 -1864
9 59944
10 -82312
11 801640
12 -1789384
13 11409064
14 -32881672
15 169790440
16 -564370504
17 2601855784
18 -9374301832
19 40596571240
20 -153088193224
21 640247048104
22 -2477305366792
23 10160269944040
24 -39887934345544
25 161811173674024

[1,4,8,40,56,424,248,4840,-1864,59944,-82312,
 801640,-1789384,11409064,-32881672,169790440,
 -564370504,2601855784,-9374301832,40596571240,
 -153088193224,640247048104,-2477305366792,
 10160269944040,-39887934345544,161811173674024]

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)