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A001173 formatted as a simple table:

n a(n)
1 1
2 5
3 52
4 1522
5 145984
6 48464496
7 56141454464
8 229148550030864
9 3333310786076963968
10 174695272746749919580928
11 33301710992539090379269318144
12 23278728241293494533015563325552128

[1,5,52,1522,145984,48464496,56141454464,
 229148550030864,3333310786076963968,
 174695272746749919580928,
 33301710992539090379269318144,
 23278728241293494533015563325552128]

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


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