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A109903 formatted as a simple table:

n a(n)
1 6
2 20
3 56
4 36
5 11
6 13
7 680
8 3876
9 245157
10 34597290
11 84672315
12 12875774670
13 244662670200
14 800472431850
15 14833897694226
16 973469712824056
17 48402641245296107
18 191724747789809255
19 9989690752182277136

[6,20,56,36,11,13,680,3876,245157,34597290,
 84672315,12875774670,244662670200,800472431850,
 14833897694226,973469712824056,48402641245296107,
 191724747789809255,9989690752182277136]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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