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A013543 formatted as a simple table:

n a(n)
0 -1
1 0
2 0
3 2
4 -1078
5 366
6 -5270
7 234137
8 -3306664031
9 534743666
10 -20542552037016
11 3273200688729
12 -355025065641454
13 43004969702632110

[-1,0,0,2,-1078,366,-5270,234137,-3306664031,
 534743666,-20542552037016,3273200688729,
 -355025065641454,43004969702632110]

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


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