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A135487 formatted as a simple table:

n a(n)
2 19
3 232
4 3690
5 72600
6 1705704
7 46650240
8 1456902720
9 51181804800
10 1998434592000
11 85878536325120
12 4028521809312000
13 204866151025536000
14 11227636547487360000
15 659746302934118400000
16 41380369671344191488000
17 2759500311807527608320000

[19,232,3690,72600,1705704,46650240,1456902720,
 51181804800,1998434592000,85878536325120,
 4028521809312000,204866151025536000,
 11227636547487360000,659746302934118400000,
 41380369671344191488000,
 2759500311807527608320000]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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