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A090226 formatted as a simple table:

n a(n)
1 1
2 5
3 26
4 169
5 1230
6 9593
7 78499
8 664580
9 5761456
10 50847535
11 455052512
12 4118054814
13 37607912019
14 346065536840
15 3204941750803
16 29844570422670
17 279238341033926
18 2623557157654234
19 24739954287740861
20 234057667276344608

[1,5,26,169,1230,9593,78499,664580,5761456,
 50847535,455052512,4118054814,37607912019,
 346065536840,3204941750803,29844570422670,
 279238341033926,2623557157654234,
 24739954287740861,234057667276344608]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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