A002304
formatted as a simple table:
n
a(n)
0
1
1
-3
2
-13
3
27
4
52791
5
482427
6
-124996631
[1,-3,-13,27,52791,482427,-124996631]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 4 23:11 EST 2009. Contains 170347 sequences.
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