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A147364 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 6
10 9
11 16
12 23
13 72
14 173
15 621
16 1620
17 5393
18 14347
19 63207
20 232978
21 1333190
22 5780677
23 34593611
24 163090674
25 1165840626
26 6871746297

[1,1,1,1,1,1,2,3,6,9,16,23,72,173,621,1620,5393,
 14347,63207,232978,1333190,5780677,34593611,
 163090674,1165840626,6871746297]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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