A082021
formatted as a simple table:
n
a(n)
0
7
1
23
2
131
3
47
4
643
5
2459
6
2000807
7
503347241
[7,23,131,47,643,2459,2000807,503347241]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 1 19:22 EST 2009. Contains 167811 sequences.
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