A161557
formatted as a simple table:
n
a(n)
-1
1
0
744
1
393768
2
64481280
3
3457199880
4
101229281280
5
1999215843600
6
29764163100672
[1,744,393768,64481280,3457199880,101229281280, 1999215843600,29764163100672]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 1 13:27 EST 2009. Contains 167806 sequences.
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