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A005975 as a simple table

n a(n)
1 1
2 2
3 4
4 10
5 27
6 92
7 369
8 1807
9 10344
10 67659
11 491347
12 3894446
13 33278992
14 304256984
15 2960093835
16 30523315419
17 332524557107
18 3816805831381
19 46048851321131
20 582691924941142
21 7717878059859874
22 106806430860694984
23 1541683193805924288
24 23173865491070682522

[1,2,4,10,27,92,369,1807,10344,67659,491347,
 3894446,33278992,304256984,2960093835,30523315419,
 332524557107,3816805831381,46048851321131,
 582691924941142,7717878059859874,
 106806430860694984,1541683193805924288,
 23173865491070682522]

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Last modified May 19 04:33 EDT 2013. Contains 225428 sequences.