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A002491 formatted as a simple table:

n a(n)
1 1
2 2
3 4
4 6
5 10
6 12
7 18
8 22
9 30
10 34
11 42
12 48
13 58
14 60
15 78
16 82
17 102
18 108
19 118
20 132
21 150
22 154
23 174
24 192
25 210
26 214
27 240
28 258
29 274
30 282
31 322
32 330
33 360
34 372
35 402
36 418
37 442
38 454
39 498
40 510
41 540
42 570
43 612
44 622
45 648
46 672
47 718
48 732
49 780
50 802
51 840
52 870
53 918

[1,2,4,6,10,12,18,22,30,34,42,48,58,60,78,82,102,
 108,118,132,150,154,174,192,210,214,240,258,274,
 282,322,330,360,372,402,418,442,454,498,510,540,
 570,612,622,648,672,718,732,780,802,840,870,918]

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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