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A294947 as a simple table

n a(n)
0 1
1 1
2 -1
3 1
4 -1
5 -2
6 1
7 -1
8 -4
9 -7
10 1
11 -1
12 -8
13 -23
14 -57
15 1
16 -1
17 -16
18 -73
19 -229
20 -541
21 1
22 -1
23 -32
24 -227
25 -927
26 -2761
27 -7126
28 1
29 -1
30 -64
31 -697
32 -3757
33 -13969
34 -42615
35 -108072
36 1
37 -1
38 -128
39 -2123
40 -15207
41 -70237
42 -254580
43 -758499
44 -1966034

[1,1,-1,1,-1,-2,1,-1,-4,-7,1,-1,-8,-23,-57,1,-1,
 -16,-73,-229,-541,1,-1,-32,-227,-927,-2761,-7126,
 1,-1,-64,-697,-3757,-13969,-42615,-108072,1,-1,
 -128,-2123,-15207,-70237,-254580,-758499,-1966034]

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Last modified June 16 16:46 EDT 2024. Contains 373432 sequences. (Running on oeis4.)