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A181825 as a simple table

n a(n)
1 1
2 2
3 12
4 36
5 120
6 360
7 1680
8 5040
9 5400
10 27000
11 36960
12 75600
13 110880
14 378000
15 960960
16 1587600
17 1663200
18 2882880
19 7938000
20 8316000
21 32672640
22 34927200
23 43243200
24 98017920
25 174636000
26 216216000
27 277830000
28 908107200
29 1152597600
30 1241560320
31 1470268800
32 1944810000

[1,2,12,36,120,360,1680,5040,5400,27000,36960,
 75600,110880,378000,960960,1587600,1663200,
 2882880,7938000,8316000,32672640,34927200,
 43243200,98017920,174636000,216216000,277830000,
 908107200,1152597600,1241560320,1470268800,
 1944810000]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)