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A130489 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 55
11 55
12 56
13 58
14 61
15 65
16 70
17 76
18 83
19 91
20 100
21 110
22 110
23 111
24 113
25 116
26 120
27 125
28 131
29 138
30 146
31 155
32 165
33 165
34 166
35 168
36 171
37 175
38 180
39 186
40 193
41 201
42 210
43 220
44 220
45 221
46 223
47 226
48 230
49 235
50 241
51 248
52 256
53 265
54 275
55 275
56 276

[0,1,3,6,10,15,21,28,36,45,55,55,56,58,61,65,70,
 76,83,91,100,110,110,111,113,116,120,125,131,138,
 146,155,165,165,166,168,171,175,180,186,193,201,
 210,220,220,221,223,226,230,235,241,248,256,265,
 275,275,276]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)