A104442
formatted as a simple table:
n
a(n)
1
1
2
2
3
4
4
10
5
20
6
56
7
116
8
320
9
736
10
1872
11
4176
12
12712
[1,2,4,10,20,56,116,320,736,1872,4176,12712]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
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