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A180958 as a simple table

n a(n)
0 1
1 1
2 2
3 2
4 2
5 -1
6 -8
7 -25
8 -57
9 -114
10 -202
11 -322
12 -447
13 -496
14 -271
15 625
16 2914
17 7762
18 16834
19 32063
20 54760
21 83319
22 108375
23 103726
24 11110
25 -282498
26 -973439
27 -2366432
28 -4869919
29 -8903455
30 -14604094

[1,1,2,2,2,-1,-8,-25,-57,-114,-202,-322,-447,-496,
 -271,625,2914,7762,16834,32063,54760,83319,108375,
 103726,11110,-282498,-973439,-2366432,-4869919,
 -8903455,-14604094]

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Last modified September 21 17:46 EDT 2019. Contains 327273 sequences. (Running on oeis4.)