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A010749 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 8
7 30
8 94
9 257
10 640
11 1505
12 3482
13 8402
14 22660
15 70825
16 248912
17 924764
18 3465758
19 12813670
20 46470377
21 165908866
22 588617326
23 2103688426
24 7696710691
25 29266242303
26 116732304039
27 488414436671

[1,1,1,1,1,2,8,30,94,257,640,1505,3482,8402,22660,
 70825,248912,924764,3465758,12813670,46470377,
 165908866,588617326,2103688426,7696710691,
 29266242303,116732304039,488414436671]

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.


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