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A134631 formatted as a simple table:

n a(n)
0 0
1 4
2 144
3 1152
4 4960
5 15300
6 38304
7 83104
8 162432
9 293220
10 497200
11 801504
12 1239264
13 1850212
14 2681280
15 3787200
16 5231104
17 7085124
18 9430992

[0,4,144,1152,4960,15300,38304,83104,162432,
 293220,497200,801504,1239264,1850212,2681280,
 3787200,5231104,7085124,9430992]

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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