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A074092 as a simple table

n a(n)
0 1
1 2
2 8
3 40
4 144
5 448
6 1280
7 3456
8 8960
9 22528
10 55296
11 133120
12 315392
13 737280
14 1703936
15 3899392
16 8847360
17 19922944
18 44564480
19 99090432
20 219152384
21 482344960
22 1056964608
23 2306867200
24 5016387584
25 10871635968
26 23488102400

[1,2,8,40,144,448,1280,3456,8960,22528,55296,
 133120,315392,737280,1703936,3899392,8847360,
 19922944,44564480,99090432,219152384,482344960,
 1056964608,2306867200,5016387584,10871635968,
 23488102400]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)