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A229031 as a simple table

n a(n)
2 120
3 0
4 2400
5 3840
6 63360
7 215040
8 1943040
9 9031680
10 64665600
11 346030080
12 2243911680
13 12792299520
14 79437987840
15 465890181120
16 2838290104320
17 16857940623360
18 101834835886080
19 608260231004160
20 3660556491816960
21 21919358464819200
22 131692072607416320
23 789448748118835200
24 4739507238312345600
25 28425784430470103040

[120,0,2400,3840,63360,215040,1943040,9031680,
 64665600,346030080,2243911680,12792299520,
 79437987840,465890181120,2838290104320,
 16857940623360,101834835886080,608260231004160,
 3660556491816960,21919358464819200,
 131692072607416320,789448748118835200,
 4739507238312345600,28425784430470103040]

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Last modified June 12 14:38 EDT 2024. Contains 373331 sequences. (Running on oeis4.)