A157004 as tables, graphs or sounds

A157004 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`18`
`4`		`58`
`5`		`192`
`6`		`650`
`7`		`2232`
`8`		`7746`
`9`		`27096`
`10`		`95376`
`11`		`337404`
`12`		`1198546`
`13`		`4272308`
`14`		`15273888`
`15`		`54744268`
`16`		`196646922`
`17`		`707747988`
`18`		`2551624304`
`19`		`9213416524`
`20`		`33313656888`
`21`		`120604436624`
`22`		`437112790668`
`23`		`1585877246424`
`24`		`5759085911154`

[1,2,6,18,58,192,650,2232,7746,27096,95376,337404, 1198546,4272308,15273888,54744268,196646922, 707747988,2551624304,9213416524,33313656888, 120604436624,437112790668,1585877246424, 5759085911154]

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

AT&T Labs Research