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A115286 formatted as a simple table:

n a(n)
0 0
1 4
2 40
3 228
4 960
5 3200
6 8904
7 21560
8 46848
9 93420
10 173800
11 305404
12 511680
13 823368
14 1279880
15 1930800
16 2837504
17 4074900
18 5733288
19 7920340
20 10763200
21 14410704
22 19035720
23 24837608
24 32044800
25 40917500
26 51750504
27 64876140
28 80667328
29 99540760
30 121960200

[0,4,40,228,960,3200,8904,21560,46848,93420,
 173800,305404,511680,823368,1279880,1930800,
 2837504,4074900,5733288,7920340,10763200,14410704,
 19035720,24837608,32044800,40917500,51750504,
 64876140,80667328,99540760,121960200]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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