A032018 as tables, graphs or sounds

A032018 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`7`
`5`		`15`
`6`		`105`
`7`		`855`
`8`		`7855`
`9`		`58915`
`10`		`642385`
`11`		`9004755`
`12`		`115824435`
`13`		`1604808065`
`14`		`25144782705`
`15`		`455128178085`
`16`		`8168562081915`
`17`		`158166596302055`
`18`		`3295573475438405`
`19`		`73982086933664855`

[1,1,1,7,15,105,855,7855,58915,642385,9004755, 115824435,1604808065,25144782705,455128178085, 8168562081915,158166596302055,3295573475438405, 73982086933664855]

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

AT&T Labs Research