A001116
formatted as a simple table:
n
a(n)
0
0
1
2
2
6
3
12
4
24
5
40
6
72
7
126
8
240
9
272
[0,2,6,12,24,40,72,126,240,272]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 9 18:50 EST 2009. Contains 170568 sequences.
AT&T Labs Research
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