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A144692 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 0
4 17
5 0
6 408
7 0
8 69473
9 0
10 6018928
11 0
12 1363916728
13 0
14 190375379264
15 0

[1,1,1,0,17,0,408,0,69473,0,6018928,0,1363916728,
 0,190375379264,0]

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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