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A370016 as a simple table

n a(n)
0 1
1 1
2 -1
3 9
4 -18
5 44
6 -54
7 350
8 -1359
9 3789
10 -9585
11 42489
12 -163900
13 543474
14 -1933092
15 7499404
16 -27668718
17 100329714
18 -371138346
19 1394575578
20 -5236658316
21 19587163968
22 -73536845444
23 278088068628
24 -1052804678958
25 3985553554074
26 -15132118280498
27 57617112474306
28 -219680808219216

[1,1,-1,9,-18,44,-54,350,-1359,3789,-9585,42489,
 -163900,543474,-1933092,7499404,-27668718,
 100329714,-371138346,1394575578,-5236658316,
 19587163968,-73536845444,278088068628,
 -1052804678958,3985553554074,-15132118280498,
 57617112474306,-219680808219216]

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Last modified May 19 10:22 EDT 2024. Contains 372683 sequences. (Running on oeis4.)