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A068059 formatted as a simple table:

n a(n)
1 1
2 2
3 4
4 6
5 11
6 13
7 26
8 28
9 51
10 61
11 74
12 107
13 109
14 224
15 247
16 249
17 321
18 411
19 462
20 849
21 873
22 990
23 1815
24 1998
25 2576
26 3309
27 3523
28 4297
29 4521

[1,2,4,6,11,13,26,28,51,61,74,107,109,224,247,249,
 321,411,462,849,873,990,1815,1998,2576,3309,3523,
 4297,4521]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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