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A094311 formatted as a simple table:

n a(n)
1 1
2 20
3 210
4 1309
5 5720
6 19536
7 55825
8 139490
9 314019
10 650440
11 1258796
12 2302455
13 4015570
14 6724004
15 10870035
16 17041156
17 26003285
18 38738700
19 56489014
20 80803505
21 113593116
22 157190440
23 214416005
24 288651174
25 383917975
26 504966176
27 657367920

[1,20,210,1309,5720,19536,55825,139490,314019,
 650440,1258796,2302455,4015570,6724004,10870035,
 17041156,26003285,38738700,56489014,80803505,
 113593116,157190440,214416005,288651174,383917975,
 504966176,657367920]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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