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A109120 as a simple table

n a(n)
0 980
1 34560
2 312120
3 1548800
4 5467500
5 15482880
6 37565360
7 81285120
8 161036100
9 297440000
10 518930280
11 863516160
12 1380726620
13 2133734400
14 3201660000
15 4682055680
16 6693569460
17 9378789120
18 12907266200
19 17478720000
20 23326421580
21 30720757760
22 39972975120
23 51439104000

[980,34560,312120,1548800,5467500,15482880,
 37565360,81285120,161036100,297440000,518930280,
 863516160,1380726620,2133734400,3201660000,
 4682055680,6693569460,9378789120,12907266200,
 17478720000,23326421580,30720757760,39972975120,
 51439104000]

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Last modified May 25 03:08 EDT 2024. Contains 372782 sequences. (Running on oeis4.)