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A060189 formatted as a simple table:

n a(n)
3 1
4 23
5 230
6 1682
7 10543
8 60657
9 331612
10 1756340
11 9116141
12 46702427
13 237231970
14 1198382694
15 6031771195
16 30287995733
17 151856096504
18 760614930344
19 3807336276505
20 19050241098975
21 95294209168414
22 476607030432890

[1,23,230,1682,10543,60657,331612,1756340,9116141,
 46702427,237231970,1198382694,6031771195,
 30287995733,151856096504,760614930344,
 3807336276505,19050241098975,95294209168414,
 476607030432890]

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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