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A265022 as a simple table

n a(n)
0 1
1 1
2 0
3 -2
4 -1
5 12
6 20
7 -113
8 -430
9 1278
10 10821
11 -10234
12 -317048
13 -384915
14 10352420
15 42836466
16 -340348905
17 -3180089128
18 8045616512
19 219303897655
20 301713947470
21 -14401913182942
22 -84197219028827
23 824481606288554
24 11426928115546036
25 -23133559937561187

[1,1,0,-2,-1,12,20,-113,-430,1278,10821,-10234,
 -317048,-384915,10352420,42836466,-340348905,
 -3180089128,8045616512,219303897655,301713947470,
 -14401913182942,-84197219028827,824481606288554,
 11426928115546036,-23133559937561187]

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Last modified July 4 19:02 EDT 2024. Contains 374016 sequences. (Running on oeis4.)