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A240958 as a simple table

n a(n)
0 1
1 1
2 4
3 30
4 296
5 3840
6 60480
7 1127280
8 24240384
9 590728320
10 16090099200
11 484387706880
12 15971308784640
13 572403619307520
14 22155942961152000
15 921115890645350400
16 40935834850710159360
17 1936630231160472207360
18 97172886828612884889600
19 5154401709528015200256000

[1,1,4,30,296,3840,60480,1127280,24240384,
 590728320,16090099200,484387706880,15971308784640,
 572403619307520,22155942961152000,
 921115890645350400,40935834850710159360,
 1936630231160472207360,97172886828612884889600,
 5154401709528015200256000]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)