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A292277 as a simple table

n a(n)
0 0
1 2
2 8
3 48
4 240
5 1280
6 6656
7 34944
8 182784
9 957440
10 5012480
11 26247168
12 137428992
13 719593472
14 3767828480
15 19728629760
16 103300399104
17 540888006656
18 2832126181376
19 14829205585920
20 77646727741440
21 406563546202112
22 2128794362052608
23 11146511995895808

[0,2,8,48,240,1280,6656,34944,182784,957440,
 5012480,26247168,137428992,719593472,3767828480,
 19728629760,103300399104,540888006656,
 2832126181376,14829205585920,77646727741440,
 406563546202112,2128794362052608,
 11146511995895808]

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Last modified April 25 10:43 EDT 2024. Contains 371967 sequences. (Running on oeis4.)