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A005262 formatted as a simple table:

n a(n)
0 1
1 3
2 9
3 25
4 59
5 131
6 277
7 573
8 1167
9 2359
10 4745
11 9521
12 19075
13 38187
14 76413
15 152869
16 305783
17 611615
18 1223281
19 2446617
20 4893291
21 9786643
22 19573349
23 39146765
24 78293599

[1,3,9,25,59,131,277,573,1167,2359,4745,9521,
 19075,38187,76413,152869,305783,611615,1223281,
 2446617,4893291,9786643,19573349,39146765,
 78293599]

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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