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A117995 as a simple table

n a(n)
1 0
2 0
3 1
4 1
5 2
6 3
7 4
8 6
9 8
10 11
11 14
12 20
13 24
14 33
15 41
16 54
17 66
18 87
19 105
20 136
21 165
22 209
23 253
24 319
25 383
26 477
27 574
28 707
29 847
30 1038
31 1238
32 1506
33 1794
34 2166
35 2573
36 3093
37 3660
38 4377
39 5170
40 6152
41 7245
42 8590
43 10087
44 11913
45 13959
46 16423
47 19196
48 22518
49 26252
50 30700
51 35717

[0,0,1,1,2,3,4,6,8,11,14,20,24,33,41,54,66,87,105,
 136,165,209,253,319,383,477,574,707,847,1038,1238,
 1506,1794,2166,2573,3093,3660,4377,5170,6152,7245,
 8590,10087,11913,13959,16423,19196,22518,26252,
 30700,35717]

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Last modified September 18 14:24 EDT 2024. Contains 376000 sequences. (Running on oeis4.)