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A034338 formatted as a simple table:

n a(n)
1 1
2 2
3 4
4 8
5 15
6 30
7 56
8 107
9 200
10 372
11 680
12 1241
13 2221
14 3938
15 6880
16 11860
17 20148
18 33778
19 55814
20 91007
21 146392
22 232458
23 364462
24 564560
25 864230

[1,2,4,8,15,30,56,107,200,372,680,1241,2221,3938,
 6880,11860,20148,33778,55814,91007,146392,232458,
 364462,564560,864230]

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Last modified December 4 23:06 EST 2009. Contains 170347 sequences.


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