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A159856 as a simple table

n a(n)
0 1
1 2
2 -1
3 3
4 -4
5 1
6 4
7 -11
8 6
9 -1
10 5
11 -26
12 23
13 -8
14 1
15 6
16 -57
17 72
18 -39
19 10
20 -1
21 7
22 -120
23 201
24 -150
25 59
26 -12
27 1
28 8
29 -247
30 522
31 -501
32 268
33 -83
34 14
35 -1
36 9
37 -502
38 1291
39 -1524
40 1037
41 -434
42 111
43 -16
44 1
45 10
46 -1013
47 3084
48 -4339
49 3598
50 -1905
51 656
52 -143
53 18
54 -1

[1,2,-1,3,-4,1,4,-11,6,-1,5,-26,23,-8,1,6,-57,72,
 -39,10,-1,7,-120,201,-150,59,-12,1,8,-247,522,
 -501,268,-83,14,-1,9,-502,1291,-1524,1037,-434,
 111,-16,1,10,-1013,3084,-4339,3598,-1905,656,-143,
 18,-1]

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Last modified June 1 12:42 EDT 2024. Contains 373023 sequences. (Running on oeis4.)