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A027275 as a simple table

n a(n)
3 24
4 232
5 954
6 8560
7 33648
8 297940
9 1159844
10 10242416
11 39809076
12 351561242
13 1367463642
14 12086555584
15 47082494816
16 416589513644
17 1625447736120
18 14397549291280
19 56265306436584
20 498879779964188
21 1952476424575980
22 17327820010494464
23 67907006619888744

[24,232,954,8560,33648,297940,1159844,10242416,
 39809076,351561242,1367463642,12086555584,
 47082494816,416589513644,1625447736120,
 14397549291280,56265306436584,498879779964188,
 1952476424575980,17327820010494464,
 67907006619888744]

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)