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A072708 formatted as a simple table:

n a(n)
1 21
2 39
3 42
4 48
5 81
6 99
7 102
8 108
9 141
10 159
11 162
12 168
13 201
14 219
15 222
16 228
17 261
18 279
19 282
20 288
21 321
22 339
23 342
24 348
25 381
26 399
27 402
28 408
29 441
30 459
31 462
32 468
33 501
34 519
35 522
36 528
37 561
38 579
39 582
40 588
41 621
42 639
43 642
44 648
45 681
46 699
47 702
48 708
49 741
50 759
51 762
52 768
53 801

[21,39,42,48,81,99,102,108,141,159,162,168,201,
 219,222,228,261,279,282,288,321,339,342,348,381,
 399,402,408,441,459,462,468,501,519,522,528,561,
 579,582,588,621,639,642,648,681,699,702,708,741,
 759,762,768,801]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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