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A122045 formatted as a simple table:

n a(n)
0 1
1 0
2 -1
3 0
4 5
5 0
6 -61
7 0
8 1385
9 0
10 -50521
11 0
12 2702765
13 0
14 -199360981
15 0
16 19391512145
17 0
18 -2404879675441
19 0
20 370371188237525
21 0
22 -69348874393137901
23 0
24 15514534163557086905
25 0
26 -4087072509293123892361
27 0
28 1252259641403629865468285
29 0
30 -441543893249023104553682821

[1,0,-1,0,5,0,-61,0,1385,0,-50521,0,2702765,0,
 -199360981,0,19391512145,0,-2404879675441,0,
 370371188237525,0,-69348874393137901,0,
 15514534163557086905,0,-4087072509293123892361,0,
 1252259641403629865468285,0,
 -441543893249023104553682821]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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