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A005260 formatted as a simple table:

n a(n)
0 1
1 2
2 18
3 164
4 1810
5 21252
6 263844
7 3395016
8 44916498
9 607041380
10 8345319268
11 116335834056
12 1640651321764
13 23365271704712
14 335556407724360
15 4854133484555664
16 70666388112940818
17 1034529673001901732

[1,2,18,164,1810,21252,263844,3395016,44916498,
 607041380,8345319268,116335834056,1640651321764,
 23365271704712,335556407724360,4854133484555664,
 70666388112940818,1034529673001901732]

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.


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