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A318259 as a simple table

n a(n)
0 1
1 -1
2 1
3 5
4 -11
5 6
6 -61
7 211
8 -240
9 90
10 1385
11 -6551
12 11466
13 -8820
14 2520
15 -50521
16 303271
17 -719580
18 844830
19 -491400
20 113400
21 2702765
22 -19665491
23 58998126
24 -93511440
25 82661040
26 -38669400
27 7484400
28 -199360981
29 1704396331
30 -6187282920
31 12372329970
32 -14727913200
33 10443232800
34 -4086482400
35 681080400

[1,-1,1,5,-11,6,-61,211,-240,90,1385,-6551,11466,
 -8820,2520,-50521,303271,-719580,844830,-491400,
 113400,2702765,-19665491,58998126,-93511440,
 82661040,-38669400,7484400,-199360981,1704396331,
 -6187282920,12372329970,-14727913200,10443232800,
 -4086482400,681080400]

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Last modified June 24 02:46 EDT 2021. Contains 345414 sequences. (Running on oeis4.)