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A048670 formatted as a simple table:

n a(n)
1 2
2 4
3 6
4 10
5 14
6 22
7 26
8 34
9 40
10 46
11 58
12 66
13 74
14 90
15 100
16 106
17 118
18 132
19 152
20 174
21 190
22 200
23 216
24 234
25 258
26 264
27 282
28 300
29 312
30 330
31 354
32 378
33 388
34 414
35 432
36 450
37 476
38 492
39 510
40 538
41 550
42 574
43 600
44 616
45 642
46 658
47 686
48 718
49 742

[2,4,6,10,14,22,26,34,40,46,58,66,74,90,100,106,
 118,132,152,174,190,200,216,234,258,264,282,300,
 312,330,354,378,388,414,432,450,476,492,510,538,
 550,574,600,616,642,658,686,718,742]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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