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A174686 as a simple table

n a(n)
2 120
3 4860
4 65280
5 487500
6 2517480
7 10084200
8 33546240
9 96840360
10 249975000
11 589446660
12 1289882880
13 2651032020
14 5165127240
15 9610650000
16 17179607040
17 29646614160
18 49589350200
19 80671305420
20 127999200000
21 198568990620
22 301816016040
23 450286556280
24 660449894400

[120,4860,65280,487500,2517480,10084200,33546240,
 96840360,249975000,589446660,1289882880,
 2651032020,5165127240,9610650000,17179607040,
 29646614160,49589350200,80671305420,127999200000,
 198568990620,301816016040,450286556280,
 660449894400]

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Last modified March 2 20:50 EST 2024. Contains 370498 sequences. (Running on oeis4.)