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A103293 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 2
4 4
5 11
6 32
7 117
8 468
9 2152
10 10743
11 58487
12 340390
13 2110219
14 13830235
15 95475556
16 691543094
17 5240285139
18 41432986588
19 341040317063
20 2916376237350
21 25862097486758
22 237434959191057
23 2253358057283035

[1,1,1,2,4,11,32,117,468,2152,10743,58487,340390,
 2110219,13830235,95475556,691543094,5240285139,
 41432986588,341040317063,2916376237350,
 25862097486758,237434959191057,2253358057283035]

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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