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A074565 formatted as a simple table:

n a(n)
0 3
1 17
2 101
3 623
4 3953
5 25607
6 168401
7 1119863
8 7509953
9 50693447
10 343990001
11 2344318103
12 16034846753
13 110016813287
14 756855672401
15 5218820236343
16 36058335444353
17 249574353301127
18 1730042274055601
19 12008529803290583

[3,17,101,623,3953,25607,168401,1119863,7509953,
 50693447,343990001,2344318103,16034846753,
 110016813287,756855672401,5218820236343,
 36058335444353,249574353301127,1730042274055601,
 12008529803290583]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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