A153274 as tables, graphs or sounds

A153274 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`6`
`2`		`15`
`3`		`24`
`4`		`105`
`5`		`280`
`6`		`120`
`7`		`945`
`8`		`3640`
`9`		`9945`
`10`		`720`
`11`		`10395`
`12`		`58240`
`13`		`208845`
`14`		`576576`
`15`		`5040`
`16`		`135135`
`17`		`1106560`
`18`		`5221125`
`19`		`17873856`
`20`		`49579075`
`21`		`40320`
`22`		`2027025`
`23`		`24344320`
`24`		`151412625`
`25`		`643458816`
`26`		`2131900225`
`27`		`5925744000`
`28`		`362880`
`29`		`34459425`
`30`		`608608000`

[2,6,15,24,105,280,120,945,3640,9945,720,10395, 58240,208845,576576,5040,135135,1106560,5221125, 17873856,49579075,40320,2027025,24344320, 151412625,643458816,2131900225,5925744000,362880, 34459425,608608000]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research