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A123026 formatted as a simple table:

n a(n)
0 1
1 1
2 -1
3 2
4 -7
5 28
6 -161
7 952
8 -7567
9 59024
10 -597793
11 5784352
12 -71137367
13 821377984
14 -11879940289
15 159347328896
16 -2649226684447
17 40474221539584
18 -760328058436289
19 13032699335746048
20 -272957772978627751
21 5187014335626927104
22 -119828462337617582689
23 2500140909772178864128

[1,1,-1,2,-7,28,-161,952,-7567,59024,-597793,
 5784352,-71137367,821377984,-11879940289,
 159347328896,-2649226684447,40474221539584,
 -760328058436289,13032699335746048,
 -272957772978627751,5187014335626927104,
 -119828462337617582689,2500140909772178864128]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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