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A007960 as a simple table

n a(n)
1 1
2 3
3 6
4 10
5 12
6 15
7 19
8 21
9 28
10 30
11 36
12 45
13 51
14 54
15 55
16 60
17 63
18 66
19 78
20 82
21 87
22 91
23 100
24 102
25 105
26 109
27 117
28 120
29 123
30 132
31 135
32 136
33 147
34 150
35 153
36 156
37 163
38 165
39 168
40 171
41 174
42 186
43 190
44 201
45 208
46 210
47 213
48 231
49 235
50 253
51 258
52 267
53 276
54 280
55 285
56 300
57 306
58 307

[1,3,6,10,12,15,19,21,28,30,36,45,51,54,55,60,63,
 66,78,82,87,91,100,102,105,109,117,120,123,132,
 135,136,147,150,153,156,163,165,168,171,174,186,
 190,201,208,210,213,231,235,253,258,267,276,280,
 285,300,306,307]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)