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A027523 formatted as a simple table:

n a(n)
2 7
3 19
4 49
5 1962
6 74100
7 100156
8 50911
9 25039
10 13189
11 111925
12 61425
13 172130400
14 15960298816
15 36469482889

[7,19,49,1962,74100,100156,50911,25039,13189,
 111925,61425,172130400,15960298816,36469482889]

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Last modified December 5 20:25 EST 2009. Contains 170428 sequences.


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