A119259
formatted as a simple table:
n
a(n)
0
1
1
3
2
17
3
111
4
769
5
5503
6
40193
7
297727
8
2228225
9
16807935
10
127574017
[1,3,17,111,769,5503,40193,297727,2228225, 16807935,127574017]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
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