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A128960 as a simple table

n a(n)
1 0
2 24
3 192
4 960
5 3840
6 13440
7 43008
8 129024
9 368640
10 1013760
11 2703360
12 7028736
13 17891328
14 44728320
15 110100480
16 267386880
17 641728512
18 1524105216
19 3586129920
20 8367636480
21 19377684480
22 44568674304
23 101871255552
24 231525580800
25 523449139200
26 1177760563200
27 2638183661568

[0,24,192,960,3840,13440,43008,129024,368640,
 1013760,2703360,7028736,17891328,44728320,
 110100480,267386880,641728512,1524105216,
 3586129920,8367636480,19377684480,44568674304,
 101871255552,231525580800,523449139200,
 1177760563200,2638183661568]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)