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A213271 as a simple table

n a(n)
1 0
2 1
3 2
4 2
5 18
6 42
7 66
8 168
9 300
10 910
11 1882
12 3192
13 5320
14 7166
15 8346
16 9042
17 7760
18 6668
19 4620
20 2822
21 1528
22 942
23 282
24 92
25 32
26 22
27 88
28 256
29 24

[0,1,2,2,18,42,66,168,300,910,1882,3192,5320,7166,
 8346,9042,7760,6668,4620,2822,1528,942,282,92,32,
 22,88,256,24]

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Last modified May 1 12:13 EDT 2024. Contains 372170 sequences. (Running on oeis4.)