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A127128 formatted as a simple table:

n a(n)
0 1
1 2
2 9
3 54
4 412
5 3834
6 42131
7 533558
8 7645065
9 122177706
10 2153221318
11 41464853266
12 865908079369
13 19484990264956
14 469910189792853
15 12089047867952058
16 330423404118495975
17 9561012695542004496

[1,2,9,54,412,3834,42131,533558,7645065,122177706,
 2153221318,41464853266,865908079369,
 19484990264956,469910189792853,12089047867952058,
 330423404118495975,9561012695542004496]

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


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