A075138 as tables, graphs or sounds

A075138 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`66`
`4`		`528`
`5`		`1232`
`6`		`16016`
`7`		`496496`
`8`		`4468464`
`9`		`183207024`
`10`		`4213761552`
`11`		`71633946384`
`12`		`71633946384`
`13`		`4369670729424`
`14`		`4369670729424`
`15`		`310246621789104`
`16`		`5894685813992976`
`17`		`53052172325936784`
`18`		`2281243410015281712`

[1,6,66,528,1232,16016,496496,4468464,183207024, 4213761552,71633946384,71633946384,4369670729424, 4369670729424,310246621789104,5894685813992976, 53052172325936784,2281243410015281712]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research