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A012291 as a simple table

n a(n)
0 0
1 1
2 2
3 1
4 -12
5 -75
6 -98
7 3141
8 37128
9 79145
10 -4068838
11 -70096919
12 -208084932
13 14605150365
14 331136373622
15 1267818101421
16 -111869011278192
17 -3149733764010415
18 -14850194074608718
19 1567505717936558161

[0,1,2,1,-12,-75,-98,3141,37128,79145,-4068838,
 -70096919,-208084932,14605150365,331136373622,
 1267818101421,-111869011278192,-3149733764010415,
 -14850194074608718,1567505717936558161]

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Last modified July 5 03:37 EDT 2020. Contains 335459 sequences. (Running on oeis4.)