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A115730 formatted as a simple table:

n a(n)
0 0
1 0
2 1
3 2
4 6
5 16
6 42
7 110
8 289
9 756
10 1980
11 5184
12 13572
13 35532
14 93025
15 243542
16 637602
17 1669264
18 4370190
19 11441306
20 29953729
21 78419880
22 205305912
23 537497856
24 1407187656

[0,0,1,2,6,16,42,110,289,756,1980,5184,13572,
 35532,93025,243542,637602,1669264,4370190,
 11441306,29953729,78419880,205305912,537497856,
 1407187656]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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