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A086687 formatted as a simple table:

n a(n)
1 1
2 1
3 20
4 10626
5 190578024
6 189492294437160
7 16321981448897949868560
8 173117930575796585984663510371920
9 300649979042426162195454856425990347600496000 

[1,1,20,10626,190578024,189492294437160,
 16321981448897949868560,
 173117930575796585984663510371920,
 300649979042426162195454856425990347600496000]

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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