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A103839 formatted as a simple table:

n a(n)
1 1
2 2
3 2
4 8
5 4
6 16
7 24
8 60
9 140
10 1328
11 2144
12 17536
13 23296
14 74216
15 191544
16 2119632
17 4094976
18 24223424
19 45604056
20 241559918
21 675603568
22 8723487720
23 22850057800
24 285146572432

[1,2,2,8,4,16,24,60,140,1328,2144,17536,23296,
 74216,191544,2119632,4094976,24223424,45604056,
 241559918,675603568,8723487720,22850057800,
 285146572432]

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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