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A028457 formatted as a simple table:

n a(n)
1 11
2 722
3 29213
4 1347920
5 60155908
6 2711547333
7 121926974411
8 5486824130234
9 246868369783200
10 11108030731300009
11 499808090143585644
12 22489082779271197033
13 1011905249122931313347
14 45531100591422826963680

[11,722,29213,1347920,60155908,2711547333,
 121926974411,5486824130234,246868369783200,
 11108030731300009,499808090143585644,
 22489082779271197033,1011905249122931313347,
 45531100591422826963680]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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