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A001226 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 9
5 7
6 93
7 315
8 17
9 3855
10 13797
11 195
12 182361
13 41943
14 9709
15 9256395
16 34636833
17 31775
18 479349
19 1857283155
20 430185
21 26817356775
22 102280151421
23 372827
24 1497207322929
25 89756051247
26 84215045
27 84973577874915

[1,1,3,9,7,93,315,17,3855,13797,195,182361,41943,
 9709,9256395,34636833,31775,479349,1857283155,
 430185,26817356775,102280151421,372827,
 1497207322929,89756051247,84215045,
 84973577874915]

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


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