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A002615 formatted as a simple table:

n a(n)
1 19
2 145
3 100
4 2191
5 8592
6 14516
7 29080
8 114575
9 320417
10 615566
11 1125492
12 2139700
13 3664750
14 5997448
15 10103304
16 15992719
17 23857290
18 36059435
19 53341900

[19,145,100,2191,8592,14516,29080,114575,320417,
 615566,1125492,2139700,3664750,5997448,10103304,
 15992719,23857290,36059435,53341900]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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