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A155405 formatted as a simple table:

n a(n)
5 1
6 7
7 19
8 37
9 61
10 179
11 1570
12 9884
13 43279
14 162911
15 1062503
16 13577598
17 173995382
18 1740580398
19 16367827293
20 223104829665
21 4754997792283
22 115851743032210

[1,7,19,37,61,179,1570,9884,43279,162911,1062503,
 13577598,173995382,1740580398,16367827293,
 223104829665,4754997792283,115851743032210]

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.


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