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A146474 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 3
12 3
13 9
14 9
15 23
16 23
17 85
18 85
19 375
20 375
21 2149
22 2149
23 15299
24 15299
25 129877
26 129877
27 1353943
28 1353943
29 17475557
30 17475557

[1,1,1,1,1,1,1,1,1,1,3,3,9,9,23,23,85,85,375,375,
 2149,2149,15299,15299,129877,129877,1353943,
 1353943,17475557,17475557]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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