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A148108 formatted as a simple table:

n a(n)
0 1
1 1
2 2
3 4
4 10
5 27
6 84
7 270
8 904
9 3149
10 11221
11 41052
12 153615
13 585423
14 2266898
15 8899882
16 35367261
17 142063183
18 576212939
19 2357624559
20 9722575246
21 40382761328
22 168823553558
23 709990487405
24 3002235850977
25 12759119302740
26 54477236422389
27 233603326611414
28 1005725216037108
29 4346070952878284

[1,1,2,4,10,27,84,270,904,3149,11221,41052,153615,
 585423,2266898,8899882,35367261,142063183,
 576212939,2357624559,9722575246,40382761328,
 168823553558,709990487405,3002235850977,
 12759119302740,54477236422389,233603326611414,
 1005725216037108,4346070952878284]

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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