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A321561 as a simple table

n a(n)
1 1
2 -33
3 244
4 -993
5 3126
6 -8052
7 16808
8 -31713
9 59293
10 -103158
11 161052
12 -242292
13 371294
14 -554664
15 762744
16 -1014753
17 1419858
18 -1956669
19 2476100
20 -3104118
21 4101152
22 -5314716
23 6436344
24 -7737972
25 9768751
26 -12252702
27 14408200
28 -16690344
29 20511150

[1,-33,244,-993,3126,-8052,16808,-31713,59293,
 -103158,161052,-242292,371294,-554664,762744,
 -1014753,1419858,-1956669,2476100,-3104118,
 4101152,-5314716,6436344,-7737972,9768751,
 -12252702,14408200,-16690344,20511150]

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Last modified August 7 09:16 EDT 2020. Contains 336274 sequences. (Running on oeis4.)