A084813
formatted as a simple table:
n
a(n)
1
1
2
9
3
26
4
84
5
272
6
887
7
2895
8
9454
9
30874
10
100834
11
329323
12
1075573
13
3512840
14
11472997
15
37471011
16
122380987
[1,9,26,84,272,887,2895,9454,30874,100834,329323, 1075573,3512840,11472997,37471011,122380987]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 15 00:47 EST 2009. Contains 170825 sequences.
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