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A138424 as a simple table

n a(n)
1 15
2 120
3 1560
4 8400
5 80520
6 185640
7 709920
8 1238040
9 3218160
10 10255560
11 14314560
12 34671960
13 57928080
14 73504200
15 114672480
16 209097720
17 357462120
18 422298120
19 675062520
20 902114640
21 1036535760
22 1538528160
23 1969520280
24 2792029680

[15,120,1560,8400,80520,185640,709920,1238040,
 3218160,10255560,14314560,34671960,57928080,
 73504200,114672480,209097720,357462120,422298120,
 675062520,902114640,1036535760,1538528160,
 1969520280,2792029680]

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Last modified July 30 12:39 EDT 2024. Contains 374743 sequences. (Running on oeis4.)