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A050478 formatted as a simple table:

n a(n)
0 1
1 9
2 34
3 125
4 462
5 1722
6 6468
7 24453
8 92950
9 354926
10 1360476
11 5231954
12 20177164
13 78004500
14 302211720
15 1173076245
16 4561139430
17 17761336230
18 69257611500
19 270391268070
20 1056823387620

[1,9,34,125,462,1722,6468,24453,92950,354926,
 1360476,5231954,20177164,78004500,302211720,
 1173076245,4561139430,17761336230,69257611500,
 270391268070,1056823387620]

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Last modified December 6 13:11 EST 2009. Contains 170427 sequences.


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