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A103971 formatted as a simple table:

n a(n)
0 1
1 5
2 10
3 45
4 190
5 930
6 4660
7 24445
8 131190
9 719830
10 4013260
11 22684370
12 129661740
13 748252580
14 4353379560
15 25508284445
16 150392391590
17 891549228430
18 5310994644060
19 31775749689670
20 190860711108740
21 1150473009844380

[1,5,10,45,190,930,4660,24445,131190,719830,
 4013260,22684370,129661740,748252580,4353379560,
 25508284445,150392391590,891549228430,
 5310994644060,31775749689670,190860711108740,
 1150473009844380]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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