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A078798 formatted as a simple table:

n a(n)
2 6
3 23
4 80
5 263
6 834
7 2569
8 7764
9 23095
10 67910
11 197607
12 570560
13 1635331
14 4661026
15 13212739
16 37296004
17 104836893
18 293710714
19 820132581
20 2283926980
21 6343214871
22 17578257134
23 48604029143
24 134141458280
25 369519394643

[6,23,80,263,834,2569,7764,23095,67910,197607,
 570560,1635331,4661026,13212739,37296004,
 104836893,293710714,820132581,2283926980,
 6343214871,17578257134,48604029143,134141458280,
 369519394643]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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