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A006492 formatted as a simple table:

n a(n)
3 1
4 0
5 5
6 6
7 21
8 40
9 93
10 190
11 396
12 796
13 1586
14 3108
15 6025
16 11552
17 21947
18 41346
19 77311
20 143580
21 265013
22 486398
23 888122
24 1613944
25 2920100
26 5261880
27 9445905
28 16897328
29 30127665

[1,0,5,6,21,40,93,190,396,796,1586,3108,6025,
 11552,21947,41346,77311,143580,265013,486398,
 888122,1613944,2920100,5261880,9445905,16897328,
 30127665]

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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