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A019262 formatted as a simple table:

n a(n)
3 1
4 1
5 0
6 1
7 5
8 14
9 29
10 58
11 127
12 302
13 822
14 2247
15 5672
16 13791
17 33072
18 78645
19 190220
20 473207

[1,1,0,1,5,14,29,58,127,302,822,2247,5672,13791,
 33072,78645,190220,473207]

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


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