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A054648 as a simple table

n a(n)
6 360
7 13230
8 137760
9 835380
10 3679200
11 13056120
12 39584160
13 106383420
14 259819560
15 586936350
16 1242521280
17 2489618040
18 4758324480
19 8728907040
20 15446635200
21 26477304840
22 44114190120
23 71649152190
24 113722852320
25 176771479500
26 269590120800
27 404035889400
28 595897192800

[360,13230,137760,835380,3679200,13056120,
 39584160,106383420,259819560,586936350,1242521280,
 2489618040,4758324480,8728907040,15446635200,
 26477304840,44114190120,71649152190,113722852320,
 176771479500,269590120800,404035889400,
 595897192800]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)