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A006729 formatted as a simple table:

n a(n)
0 2
1 16
2 72
3 252
4 764
5 2094
6 5362
7 12968
8 30138
9 67446
10 147048
11 311940
12 649860
13 1325234
14 2668130
15 5278066
16 10346200
17 19977010
18 38329556
19 72546986
20 136785444
21 254596418
22 473093498
23 868060738
24 1593517724

[2,16,72,252,764,2094,5362,12968,30138,67446,
 147048,311940,649860,1325234,2668130,5278066,
 10346200,19977010,38329556,72546986,136785444,
 254596418,473093498,868060738,1593517724]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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