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A192384 as a simple table

n a(n)
1 0
2 2
3 4
4 24
5 72
6 312
7 1088
8 4288
9 15744
10 60192
11 224832
12 851072
13 3197056
14 12062592
15 45398016
16 171104256
17 644354048
18 2427699712
19 9144222720
20 34448209920
21 129761986560
22 488821962752
23 1841370087424
24 6936475090944
25 26129575084032

[0,2,4,24,72,312,1088,4288,15744,60192,224832,
 851072,3197056,12062592,45398016,171104256,
 644354048,2427699712,9144222720,34448209920,
 129761986560,488821962752,1841370087424,
 6936475090944,26129575084032]

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Last modified May 14 14:46 EDT 2024. Contains 372533 sequences. (Running on oeis4.)