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A056464 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
10 144
11 540
12 534
13 1806
14 1770
15 5790
16 5760
17 18150
18 17994
19 55980
20 55830
21 170970
22 170466
23 519156
24 518580
25 1569744
26 1567944
27 4733670
28 4732014
29 14250606
30 14244660
31 42850116
32 42844320
33 128746410
34 128728800

[0,0,0,0,6,6,36,36,150,144,540,534,1806,1770,5790,
 5760,18150,17994,55980,55830,170970,170466,519156,
 518580,1569744,1567944,4733670,4732014,14250606,
 14244660,42850116,42844320,128746410,128728800]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)