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A056454 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 6
6 6
7 36
8 36
9 150
10 150
11 540
12 540
13 1806
14 1806
15 5796
16 5796
17 18150
18 18150
19 55980
20 55980
21 171006
22 171006
23 519156
24 519156
25 1569750
26 1569750
27 4733820
28 4733820
29 14250606
30 14250606
31 42850116
32 42850116
33 128746950
34 128746950
35 386634060
36 386634060
37 1160688606

[0,0,0,0,6,6,36,36,150,150,540,540,1806,1806,5796,
 5796,18150,18150,55980,55980,171006,171006,519156,
 519156,1569750,1569750,4733820,4733820,14250606,
 14250606,42850116,42850116,128746950,128746950,
 386634060,386634060,1160688606]

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Last modified June 8 02:28 EDT 2024. Contains 373206 sequences. (Running on oeis4.)