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A038200 formatted as a simple table:

n a(n)
1 1
2 0
3 -1
4 3
5 -8
6 21
7 -54
8 134
9 -318
10 720
11 -1560
12 3259
13 -6641
14 13391
15 -27107
16 55657
17 -116244
18 245823
19 -521738
20 1101566
21 -2299215
22 4730990
23 -9601095
24 19273729
25 -38446742
26 76598275
27 -153119606
28 308061214
29 -624460449
30 1274268038
31 -2611866713
32 5362888620
33 -11003127203
34 22516189988

[1,0,-1,3,-8,21,-54,134,-318,720,-1560,3259,-6641,
 13391,-27107,55657,-116244,245823,-521738,1101566,
 -2299215,4730990,-9601095,19273729,-38446742,
 76598275,-153119606,308061214,-624460449,
 1274268038,-2611866713,5362888620,-11003127203,
 22516189988]

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Last modified December 17 23:36 EST 2009. Contains 170922 sequences.


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