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A006902 formatted as a simple table:

n a(n)
1 1
2 5
3 47
4 641
5 11389
6 248749
7 6439075
8 192621953
9 6536413529
10 248040482741
11 10407123510871
12 478360626529345
13 23903857657114837
14 1290205338991689821
15 74803882225482661259

[1,5,47,641,11389,248749,6439075,192621953,
 6536413529,248040482741,10407123510871,
 478360626529345,23903857657114837,
 1290205338991689821,74803882225482661259]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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