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A206304 as a simple table

n a(n)
1 1
2 2
3 6
4 22
5 80
6 128
7 -2940
8 -63072
9 -932088
10 -11628648
11 -114829968
12 -417677856
13 21173151792
14 869103962400
15 23125766258208
16 492858262277472
17 7960636847682816
18 46152793911618432
19 -3484964629275707328
20 -212667378331722666240

[1,2,6,22,80,128,-2940,-63072,-932088,-11628648,
 -114829968,-417677856,21173151792,869103962400,
 23125766258208,492858262277472,7960636847682816,
 46152793911618432,-3484964629275707328,
 -212667378331722666240]

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)