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A034389 as a simple table

n a(n)
1 1
2 -1
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 1
14 0
15 0
16 0
17 1
18 0
19 1
20 0
21 1
22 0
23 1
24 0
25 3
26 0
27 2
28 1
29 4
30 2
31 6
32 3
33 8
34 5
35 10
36 8
37 17
38 11
39 21
40 19
41 31
42 27
43 45
44 40
45 63
46 62
47 89
48 91
49 133
50 132
51 185
52 200

[1,-1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,1,0,1,0,
 3,0,2,1,4,2,6,3,8,5,10,8,17,11,21,19,31,27,45,40,
 63,62,89,91,133,132,185,200]

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Last modified April 24 16:33 EDT 2024. Contains 371961 sequences. (Running on oeis4.)