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A108983 formatted as a simple table:

n a(n)
0 1
1 7
2 41
3 247
4 1481
5 8887
6 53321
7 319927
8 1919561
9 11517367
10 69104201
11 414625207
12 2487751241
13 14926507447
14 89559044681
15 537354268087
16 3224125608521
17 19344753651127
18 116068521906761
19 696411131440567
20 4178466788643401

[1,7,41,247,1481,8887,53321,319927,1919561,
 11517367,69104201,414625207,2487751241,
 14926507447,89559044681,537354268087,
 3224125608521,19344753651127,116068521906761,
 696411131440567,4178466788643401]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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