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A100069 formatted as a simple table:

n a(n)
0 1
1 4
2 18
3 76
4 326
5 1384
6 5892
7 25036
8 106438
9 452344
10 1922588
11 8170936
12 34726940
13 147589264
14 627256088
15 2665837516
16 11329815878
17 48151714264
18 204644809932
19 869740430056
20 3696396920116
21 15709686864304
22 66766169526008

[1,4,18,76,326,1384,5892,25036,106438,452344,
 1922588,8170936,34726940,147589264,627256088,
 2665837516,11329815878,48151714264,204644809932,
 869740430056,3696396920116,15709686864304,
 66766169526008]

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


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