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A005668 formatted as a simple table:

n a(n)
0 0
1 1
2 6
3 37
4 228
5 1405
6 8658
7 53353
8 328776
9 2026009
10 12484830
11 76934989
12 474094764
13 2921503573
14 18003116202
15 110940200785
16 683644320912
17 4212806126257
18 25960481078454
19 159975692596981
20 985814636660340

[0,1,6,37,228,1405,8658,53353,328776,2026009,
 12484830,76934989,474094764,2921503573,
 18003116202,110940200785,683644320912,
 4212806126257,25960481078454,159975692596981,
 985814636660340]

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


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