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A001501 formatted as a simple table:

n a(n)
0 1
1 0
2 0
3 1
4 24
5 2040
6 297200
7 68938800
8 24046189440
9 12025780892160
10 8302816499443200
11 7673688777463632000
12 9254768770160124288000
13 14255616537578735986867200
14 27537152449960680597739468800

[1,0,0,1,24,2040,297200,68938800,24046189440,
 12025780892160,8302816499443200,
 7673688777463632000,9254768770160124288000,
 14255616537578735986867200,
 27537152449960680597739468800]

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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