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A001495 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 3
4 13
5 70
6 462
7 3592
8 32056
9 322626
10 3611890
11 44491654
12 597714474
13 8693651092
14 136059119332
15 2279212812480
16 40681707637888
17 770631412413148

[1,1,1,3,13,70,462,3592,32056,322626,3611890,
 44491654,597714474,8693651092,136059119332,
 2279212812480,40681707637888,770631412413148]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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