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A070766 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 7
5 22
6 77
7 294
8 1054
9 3788
10 11326
11 24790
12 103641
13 164559
14 532510
15 1574252
16 2939898
17 4761009
18 21048218
19 24306306 

[1,1,3,7,22,77,294,1054,3788,11326,24790,103641,
 164559,532510,1574252,2939898,4761009,21048218,
 24306306]

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Last modified December 9 14:39 EST 2009. Contains 170430 sequences.

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