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A000154 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 7
4 35
5 228
6 1834
7 17382
8 195866
9 2487832
10 35499576
11 562356672
12 9794156448
13 186025364016
14 3826961710272
15 84775065603888
16 2011929826983504

[1,1,2,7,35,228,1834,17382,195866,2487832,
 35499576,562356672,9794156448,186025364016,
 3826961710272,84775065603888,2011929826983504]

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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