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A038833 formatted as a simple table:

n a(n)
0 2
1 5
2 23
3 103
4 419
5 1543
6 5519
7 19289
8 65687
9 220861
10 733561
11 2412779
12 7867547
13 25485211
14 82064027
15 262960091
16 839001721
17 2666790167
18 8448283757
19 26684834641
20 84064182061
21 264194301347
22 828513359549
23 2593131866483

[2,5,23,103,419,1543,5519,19289,65687,220861,
 733561,2412779,7867547,25485211,82064027,
 262960091,839001721,2666790167,8448283757,
 26684834641,84064182061,264194301347,828513359549,
 2593131866483]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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