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A087682 formatted as a simple table:

n a(n)
1 11
2 15
3 21
4 39
5 45
6 51
7 75
8 81
9 105
10 159
11 165
12 171
13 189
14 219
15 231
16 249
17 285
18 339
19 345
20 375
21 381
22 441
23 471
24 495
25 549
26 555
27 579
28 585
29 609
30 639
31 651
32 669
33 735
34 765
35 819
36 831
37 945
38 975
39 1005
40 1041
41 1095
42 1101
43 1179
44 1209
45 1221
46 1299
47 1311
48 1431
49 1479
50 1491

[11,15,21,39,45,51,75,81,105,159,165,171,189,219,
 231,249,285,339,345,375,381,441,471,495,549,555,
 579,585,609,639,651,669,735,765,819,831,945,975,
 1005,1041,1095,1101,1179,1209,1221,1299,1311,1431,
 1479,1491]

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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