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A048771 formatted as a simple table:

n a(n)
0 1
1 9
2 26
3 68
4 169
5 413
6 1002
7 2424
8 5857
9 14145
10 34154
11 82460
12 199081
13 480629
14 1160346
15 2801328
16 6763009
17 16327353
18 39417722
19 95162804
20 229743337
21 554649485
22 1339042314

[1,9,26,68,169,413,1002,2424,5857,14145,34154,
 82460,199081,480629,1160346,2801328,6763009,
 16327353,39417722,95162804,229743337,554649485,
 1339042314]

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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