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A110190 formatted as a simple table:

n a(n)
0 0
1 1
2 5
3 24
4 116
5 568
6 2820
7 14184
8 72180
9 371112
10 1925380
11 10068728
12 53023860
13 280969560
14 1497072132
15 8016213960
16 43114424308
17 232817773640
18 1261793848836
19 6861179441880
20 37421756333172
21 204671007577464
22 1122275850740996

[0,1,5,24,116,568,2820,14184,72180,371112,1925380,
 10068728,53023860,280969560,1497072132,8016213960,
 43114424308,232817773640,1261793848836,
 6861179441880,37421756333172,204671007577464,
 1122275850740996]

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


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