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A167011 as a simple table

n a(n)
1 1
2 3
3 11
4 44
5 184
6 784
7 3363
8 14451
9 62097
10 266716
11 1145074
12 4914448
13 21087401
14 90472315
15 388129627
16 1665025084
17 7142592112
18 30639836360
19 131436162099
20 563822359859
21 2418629133001
22 10375190596724
23 44506436288882
24 190919170388912
25 818985577308225
26 3513200788519075

[1,3,11,44,184,784,3363,14451,62097,266716,
 1145074,4914448,21087401,90472315,388129627,
 1665025084,7142592112,30639836360,131436162099,
 563822359859,2418629133001,10375190596724,
 44506436288882,190919170388912,818985577308225,
 3513200788519075]

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Last modified December 3 21:14 EST 2016. Contains 278745 sequences.