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A244143 as a simple table

n a(n)
0 0
1 0
2 1
3 0
4 0
5 2
6 0
7 0
8 18
9 -15
10 0
11 0
12 108
13 -300
14 196
15 0
16 0
17 540
18 -3750
19 6860
20 -3645
21 0
22 0
23 2430
24 -37500
25 144060
26 -196830
27 87846
28 0
29 0
30 10206
31 -328125
32 2352980
33 -6200145
34 6764142
35 -2599051
36 0
37 0
38 40824
39 -2625000
40 32941720
41 -148803480
42 297622248
43 -270301304
44 91125000

[0,0,1,0,0,2,0,0,18,-15,0,0,108,-300,196,0,0,540,
 -3750,6860,-3645,0,0,2430,-37500,144060,-196830,
 87846,0,0,10206,-328125,2352980,-6200145,6764142,
 -2599051,0,0,40824,-2625000,32941720,-148803480,
 297622248,-270301304,91125000]

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Last modified November 20 10:09 EST 2019. Contains 329334 sequences. (Running on oeis4.)