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A009419 formatted as a simple table:

n a(n)
0 0
1 1
2 1
3 2
4 8
5 29
6 141
7 846
8 4472
9 39969
10 218881
11 2810290
12 14610320
13 280561709
14 1153474973
15 38655408078
16 73062816912
17 7216310776161
18 -11521981477983
19 1796944146688834
20 -11006978325918280
21 585629030872958429

[0,1,1,2,8,29,141,846,4472,39969,218881,2810290,
 14610320,280561709,1153474973,38655408078,
 73062816912,7216310776161,-11521981477983,
 1796944146688834,-11006978325918280,
 585629030872958429]

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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