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A030518 formatted as a simple table:

n a(n)
1 0
2 2
3 8
4 52
5 248
6 1302
7 6448
8 32552
9 162448
10 813802
11 4067448
12 20345052
13 101717448
14 508626302
15 2543092448
16 12715657552
17 63578092448 

[0,2,8,52,248,1302,6448,32552,162448,813802,
 4067448,20345052,101717448,508626302,2543092448,
 12715657552,63578092448]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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