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A008464 formatted as a simple table:

n a(n)
-1 1
0 5
1 24
2 108
3 464
4 1936
5 7936
6 32192
7 129792
8 521472
9 2091008
10 8375296
11 33525760
12 134156288
13 536739840
14 2147205120
15 8589344768
16 34358493184
17 137436332032
18 549750308864
19 2199011721216
20 8796068904960

[1,5,24,108,464,1936,7936,32192,129792,521472,
 2091008,8375296,33525760,134156288,536739840,
 2147205120,8589344768,34358493184,137436332032,
 549750308864,2199011721216,8796068904960]

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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.


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