A052574 as tables, graphs or sounds

A052574 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`30`
`4`		`312`
`5`		`4080`
`6`		`64080`
`7`		`1174320`
`8`		`24595200`
`9`		`579519360`
`10`		`15172012800`
`11`		`436929292800`
`12`		`13726748851200`
`13`		`467182235520000`
`14`		`17123385600921600`
`15`		`672444082582272000`
`16`		`28167703419727872000`
`17`		`1253648083943743488000`

[1,1,4,30,312,4080,64080,1174320,24595200, 579519360,15172012800,436929292800,13726748851200, 467182235520000,17123385600921600, 672444082582272000,28167703419727872000, 1253648083943743488000]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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