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A045660 as a simple table

n a(n)
0 0
1 0
2 0
3 12
4 32
5 120
6 300
7 784
8 1824
9 4296
10 9720
11 21824
12 47852
13 104832
14 226576
15 487392
16 1042208
17 2219520
18 4703880
19 9942016
20 20940152
21 43995544
22 92206400
23 192843776
24 402500844
25 838655520
26 1744509312
27 3623427624
28 7515501648

[0,0,0,12,32,120,300,784,1824,4296,9720,21824,
 47852,104832,226576,487392,1042208,2219520,
 4703880,9942016,20940152,43995544,92206400,
 192843776,402500844,838655520,1744509312,
 3623427624,7515501648]

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Last modified May 8 07:09 EDT 2024. Contains 372319 sequences. (Running on oeis4.)