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A002076 formatted as a simple table:

n a(n)
1 1
2 2
3 3
4 6
5 9
6 26
7 53
8 146
9 369
10 1002
11 2685
12 7434
13 20441
14 57046
15 159451
16 448686
17 1266081
18 3588002
19 10195277
20 29058526
21 83018783
22 237740670
23 682196949
24 1961331314
25 5648590737
26 16294052602
27 47071590147
28 136171497650

[1,2,3,6,9,26,53,146,369,1002,2685,7434,20441,
 57046,159451,448686,1266081,3588002,10195277,
 29058526,83018783,237740670,682196949,1961331314,
 5648590737,16294052602,47071590147,136171497650]

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


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