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A130488 as a simple table

n a(n)
0 0
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
9 45
10 45
11 46
12 48
13 51
14 55
15 60
16 66
17 73
18 81
19 90
20 90
21 91
22 93
23 96
24 100
25 105
26 111
27 118
28 126
29 135
30 135
31 136
32 138
33 141
34 145
35 150
36 156
37 163
38 171
39 180
40 180
41 181
42 183
43 186
44 190
45 195
46 201
47 208
48 216
49 225
50 225
51 226
52 228
53 231
54 235
55 240
56 246
57 253

[0,1,3,6,10,15,21,28,36,45,45,46,48,51,55,60,66,
 73,81,90,90,91,93,96,100,105,111,118,126,135,135,
 136,138,141,145,150,156,163,171,180,180,181,183,
 186,190,195,201,208,216,225,225,226,228,231,235,
 240,246,253]

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Last modified May 20 03:32 EDT 2024. Contains 372703 sequences. (Running on oeis4.)