A001880 as tables, graphs or sounds - OEIS

A001880 formatted as a simple table:

`n`		`a(n)`
`4`		`1`
`5`		`15`
`6`		`210`
`7`		`3150`
`8`		`51975`
`9`		`945945`
`10`		`18918900`
`11`		`413513100`
`12`		`9820936125`
`13`		`252070693875`
`14`		`6957151150950`
`15`		`205552193096250`
`16`		`6474894082531875`
`17`		`216659917377028125`

[1,15,210,3150,51975,945945,18918900,413513100, 9820936125,252070693875,6957151150950, 205552193096250,6474894082531875, 216659917377028125]

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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