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A115144 as a simple table

n a(n)
0 1
1 -5
2 5
3 0
4 0
5 -1
6 -5
7 -20
8 -75
9 -275
10 -1001
11 -3640
12 -13260
13 -48450
14 -177650
15 -653752
16 -2414425
17 -8947575
18 -33266625
19 -124062000
20 -463991880
21 -1739969550
22 -6541168950
23 -24647883000
24 -93078189750
25 -352207870014
26 -1335293573130
27 -5071418015120
28 -19293438101000

[1,-5,5,0,0,-1,-5,-20,-75,-275,-1001,-3640,-13260,
 -48450,-177650,-653752,-2414425,-8947575,
 -33266625,-124062000,-463991880,-1739969550,
 -6541168950,-24647883000,-93078189750,
 -352207870014,-1335293573130,-5071418015120,
 -19293438101000]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)