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A045445 formatted as a simple table:

n a(n)
1 0
2 1
3 6
4 29
5 132
6 590
7 2628
8 11732
9 52608
10 237129
11 1074510
12 4893801
13 22395420
14 102943815
15 475139070
16 2201301575
17 10234016880
18 47731093715
19 223273611810
20 1047265325255
21 4924606035900
22 23211459517120
23 109642275853176

[0,1,6,29,132,590,2628,11732,52608,237129,1074510,
 4893801,22395420,102943815,475139070,2201301575,
 10234016880,47731093715,223273611810,
 1047265325255,4924606035900,23211459517120,
 109642275853176]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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