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A000483号作为一个简单的表

n个a(n)
615
7210
82380
926432
10303660
113678840
1247324376
13647536032
149418945536
15145410580224
162377609752960
1741082721413120
18748459539843840
1914345340443665920
20288650580508961280
216085390148673177600
22134167064248901376000
233088040233895705088000
2474077507611407752704000
251849221425299053367296000

[15,210,2380,26432,303660,3678840,47324376,647536032,9418945536,145410580224,2377609752960,41082721413120,748459539843840,14345340443665920,288650580508961280,6085390148673177600,134167064248901376000,3088040233895705088000,74077507611407752704000,1849221425299053367296000]