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A090858 as a simple table

n a(n)
0 0
1 0
2 1
3 0
4 2
5 2
6 2
7 4
8 6
9 7
10 8
11 13
12 15
13 21
14 25
15 30
16 39
17 50
18 58
19 74
20 89
21 105
22 129
23 156
24 185
25 221
26 264
27 309
28 366
29 433
30 505
31 593
32 696
33 805
34 941
35 1090
36 1258
37 1458
38 1684
39 1933
40 2225
41 2555
42 2922
43 3346
44 3823
45 4349
46 4961
47 5644
48 6402
49 7267
50 8234
51 9309
52 10525
53 11886
54 13393

[0,0,1,0,2,2,2,4,6,7,8,13,15,21,25,30,39,50,58,74,
 89,105,129,156,185,221,264,309,366,433,505,593,
 696,805,941,1090,1258,1458,1684,1933,2225,2555,
 2922,3346,3823,4349,4961,5644,6402,7267,8234,9309,
 10525,11886,13393]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)