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A014806 formatted as a simple table:

n a(n)
0 1
1 20
2 190
3 1160
4 5225
5 18924
6 58350
7 158840
8 391020
9 886540
10 1877676
11 3753640
12 7140485
13 13014240
14 22846170
15 38794448
16 63969485
17 102744780
18 161143180
19 247386480
20 372472353
21 550858280
22 801535160
23 1148976360

[1,20,190,1160,5225,18924,58350,158840,391020,
 886540,1877676,3753640,7140485,13014240,22846170,
 38794448,63969485,102744780,161143180,247386480,
 372472353,550858280,801535160,1148976360]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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