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A056447 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 1
6 3
7 6
8 52
9 148
10 1139
11 2306
12 30118
13 48476
14 478951
15 1762916
16 8601578
17 20789656
18 268188491
19 431583572
20 4685757971
21 15045763306
22 86991020695
23 190548007556
24 2526401778030
25 4873374476387
26 39199367113661

[0,0,0,0,1,3,6,52,148,1139,2306,30118,48476,
 478951,1762916,8601578,20789656,268188491,
 431583572,4685757971,15045763306,86991020695,
 190548007556,2526401778030,4873374476387,
 39199367113661]

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


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