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A046235
as a simple table
n
a(n)
1
0
2
1
3
7
4
37
5
217
6
1297
7
7777
8
46657
9
279937
10
1679617
11
10077697
12
60466177
13
362797057
14
860627456
15
2176782337
[0,1,7,37,217,1297,7777,46657,279937,1679617, 10077697,60466177,362797057,860627456,2176782337]
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Last modified June 18 22:35 EDT 2013. Contains 226356 sequences.