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A143286 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 1
9 2
10 3
11 4
12 5
13 6
14 7
15 9
16 13
17 19
18 27
19 37
20 49
21 63
22 80
23 102
24 132
25 173
26 228
27 300
28 392
29 508
30 654
31 839
32 1076
33 1382
34 1778
35 2289
36 2945
37 3783
38 4850
39 6207
40 7934
41 10135
42 12943
43 16526
44 21095
45 26915
46 34320
47 43733
48 55692
49 70882
50 90174
51 114673
52 145778

[0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,9,13,19,27,37,49,
 63,80,102,132,173,228,300,392,508,654,839,1076,
 1382,1778,2289,2945,3783,4850,6207,7934,10135,
 12943,16526,21095,26915,34320,43733,55692,70882,
 90174,114673,145778]

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Last modified August 11 07:36 EDT 2022. Contains 356055 sequences. (Running on oeis4.)