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A049366 formatted as a simple table:

n a(n)
1 0
2 0
3 1
4 3
5 7
6 36
7 221
8 2184
9 26985
10 395877
11 6362861

[0,0,1,3,7,36,221,2184,26985,395877,6362861]

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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