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A009131 as a simple table

n a(n)
0 1
1 0
2 0
3 -3
4 11
5 -30
6 194
7 -1785
8 13957
9 -113148
10 1143284
11 -13131855
12 156950639
13 -2005222362
14 28119703702
15 -424785970245
16 6792043718345
17 -115135087505400
18 2072993596779944
19 -39432571052652315
20 788564865102950035

[1,0,0,-3,11,-30,194,-1785,13957,-113148,1143284,
 -13131855,156950639,-2005222362,28119703702,
 -424785970245,6792043718345,-115135087505400,
 2072993596779944,-39432571052652315,
 788564865102950035]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)