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A056865 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 1
5 2
6 3
7 4
8 6
9 8
10 10
11 12
12 14
13 16
14 19
15 22
16 25
17 28
18 32
19 36
20 40
21 44
22 48
23 52
24 57
25 62
26 67
27 72
28 78
29 84
30 90
31 96
32 102
33 108
34 115
35 122
36 129
37 136
38 144
39 152
40 160
41 168
42 176
43 184
44 193
45 202
46 211
47 220
48 230
49 240
50 250
51 260
52 270
53 280
54 291
55 302
56 313
57 324

[0,0,0,0,1,2,3,4,6,8,10,12,14,16,19,22,25,28,32,
 36,40,44,48,52,57,62,67,72,78,84,90,96,102,108,
 115,122,129,136,144,152,160,168,176,184,193,202,
 211,220,230,240,250,260,270,280,291,302,313,324]

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)