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A000444 formatted as a simple table:

n a(n)
3 9
4 64
5 326
6 1433
7 5799
8 22224
9 81987
10 293987
11 1031298
12 3555085
13 12081775
14 40576240
15 134919788
16 444805274
17 1455645411
18 4733022100
19 15302145060
20 49223709597
21 157629612076
22 502736717207
23 1597541346522
24 5059625685739

[9,64,326,1433,5799,22224,81987,293987,1031298,
 3555085,12081775,40576240,134919788,444805274,
 1455645411,4733022100,15302145060,49223709597,
 157629612076,502736717207,1597541346522,
 5059625685739]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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