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A034391 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 0
6 0
7 0
8 0
9 0
10 1
11 0
12 1
13 1
14 2
15 1
16 3
17 2
18 4
19 4
20 6
21 6
22 11
23 10
24 16
25 18
26 25
27 28
28 41
29 45
30 63
31 74
32 99
33 116
34 158
35 184
36 245
37 296
38 383
39 463
40 604
41 729
42 940
43 1151
44 1468
45 1800
46 2296
47 2817
48 3573
49 4412
50 5566
51 6878
52 8677

[0,0,0,1,0,0,0,0,0,1,0,1,1,2,1,3,2,4,4,6,6,11,10,
 16,18,25,28,41,45,63,74,99,116,158,184,245,296,
 383,463,604,729,940,1151,1468,1800,2296,2817,3573,
 4412,5566,6878,8677]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)