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A002557 formatted as a simple table:

n a(n)
1 1
2 15
3 21
4 33
5 35
6 39
7 51
8 55
9 57
10 65
11 69
12 77
13 85
14 87
15 91
16 93
17 95
18 115
19 119
20 133
21 143
22 145
23 155
24 161
25 187
26 203
27 209
28 217
29 221
30 247
31 253
32 299
33 319
34 323
35 341
36 377
37 391
38 403
39 437 

[1,15,21,33,35,39,51,55,57,65,69,77,85,87,91,93,
 95,115,119,133,143,145,155,161,187,203,209,217,
 221,247,253,299,319,323,341,377,391,403,437]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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