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A027049 as a simple table

n a(n)
3 16
4 120
5 952
6 7848
7 65580
8 550476
9 4631876
10 39047764
11 329784608
12 2790469092
13 23656401612
14 200928615160
15 1709781846028
16 14575407966156
17 124466311279620
18 1064636218853556
19 9120848372291680
20 78256468639080460
21 672393605270681188
22 5785139333187494936
23 49838058776228021388

[16,120,952,7848,65580,550476,4631876,39047764,
 329784608,2790469092,23656401612,200928615160,
 1709781846028,14575407966156,124466311279620,
 1064636218853556,9120848372291680,
 78256468639080460,672393605270681188,
 5785139333187494936,49838058776228021388]

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Last modified September 1 11:12 EDT 2024. Contains 375589 sequences. (Running on oeis4.)