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A325674 as a simple table

n a(n)
1 2
2 1
3 -1
4 1
5 -1
6 0
7 5
8 -20
9 55
10 -125
11 251
12 -462
13 803
14 -1364
15 2365
16 -4367
17 8735
18 -18564
19 40409
20 -87380
21 184603
22 -379049
23 758099
24 -1486674
25 2884775
26 -5592404
27 10919089
28 -21572459
29 43144919
30 -87087000
31 176565485
32 -357913940
33 723002335
34 -1453179125
35 2906358250

[2,1,-1,1,-1,0,5,-20,55,-125,251,-462,803,-1364,
 2365,-4367,8735,-18564,40409,-87380,184603,
 -379049,758099,-1486674,2884775,-5592404,10919089,
 -21572459,43144919,-87087000,176565485,-357913940,
 723002335,-1453179125,2906358250]

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Last modified June 16 02:19 EDT 2024. Contains 373416 sequences. (Running on oeis4.)