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A005469 formatted as a simple table:

n a(n)
1 2
2 5
3 11
4 26
5 56
6 122
7 287
8 677
9 1457
10 3137
11 6833
12 14885
13 35015
14 82370
15 194300
16 458330
17 986390
18 2122850
19 4570610
20 9840770
21 21435122
22 46689890
23 101709206
24 221563226

[2,5,11,26,56,122,287,677,1457,3137,6833,14885,
 35015,82370,194300,458330,986390,2122850,4570610,
 9840770,21435122,46689890,101709206,221563226]

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.


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