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A128415 formatted as a simple table:

n a(n)
0 1
1 -3
2 1
3 9
4 -31
5 57
6 -47
7 -87
8 449
9 -999
10 1201
11 393
12 -5983
13 16377
14 -25199
15 10089
16 70529
17 -251943
18 473713
19 -413367
20 -654751
21 3617721
22 -8234159
23 10231593
24 2241857
25 -47651943
26 133988401
27 -211357431
28 98118689

[1,-3,1,9,-31,57,-47,-87,449,-999,1201,393,-5983,
 16377,-25199,10089,70529,-251943,473713,-413367,
 -654751,3617721,-8234159,10231593,2241857,
 -47651943,133988401,-211357431,98118689]

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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