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A110683 as a simple table

n a(n)
0 1
1 -7
2 21
3 -79
4 279
5 -997
6 3561
7 -12781
8 45951
9 -165355
10 595143
11 -2142025
12 7709073
13 -27743437
14 99840687
15 -359294443
16 1292981391
17 -4653011185
18 16744655841
19 -60258539413
20 216850840215
21 -780375582475
22 2808317778903
23 -10106221816681
24 36369003278769

[1,-7,21,-79,279,-997,3561,-12781,45951,-165355,
 595143,-2142025,7709073,-27743437,99840687,
 -359294443,1292981391,-4653011185,16744655841,
 -60258539413,216850840215,-780375582475,
 2808317778903,-10106221816681,36369003278769]

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Last modified May 28 15:33 EDT 2020. Contains 334684 sequences. (Running on oeis4.)