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A087897 as a simple table

n a(n)
0 1
1 0
2 0
3 1
4 0
5 1
6 1
7 1
8 1
9 2
10 2
11 2
12 3
13 3
14 4
15 5
16 5
17 6
18 8
19 8
20 10
21 12
22 13
23 15
24 18
25 20
26 23
27 27
28 30
29 34
30 40
31 44
32 50
33 58
34 64
35 73
36 83
37 92
38 104
39 118
40 131
41 147
42 166
43 184
44 206
45 232
46 256
47 286
48 320
49 354
50 394
51 439
52 485
53 538
54 598
55 660
56 730
57 809
58 891
59 984
60 1088
61 1196
62 1318
63 1454
64 1596
65 1756

[1,0,0,1,0,1,1,1,1,2,2,2,3,3,4,5,5,6,8,8,10,12,13,
 15,18,20,23,27,30,34,40,44,50,58,64,73,83,92,104,
 118,131,147,166,184,206,232,256,286,320,354,394,
 439,485,538,598,660,730,809,891,984,1088,1196,
 1318,1454,1596,1756]

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Last modified January 23 19:45 EST 2020. Contains 331175 sequences. (Running on oeis4.)