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A129550 formatted as a simple table:

n a(n)
0 1
1 1
2 8
3 20
4 98
5 293
6 1128
7 3409
8 10846
9 30480
10 84652
11 217677
12 544312
13 1289225
14 2961626
15 6528284
16 13980717
17 28963980
18 58464510
19 114806429
20 220298632
21 412950779
22 758418342
23 1365044296
24 2412766496
25 4189995629
26 7159916414

[1,1,8,20,98,293,1128,3409,10846,30480,84652,
 217677,544312,1289225,2961626,6528284,13980717,
 28963980,58464510,114806429,220298632,412950779,
 758418342,1365044296,2412766496,4189995629,
 7159916414]

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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