A000988 as tables, graphs or sounds

A000988 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`7`
`5`		`18`
`6`		`60`
`7`		`196`
`8`		`704`
`9`		`2500`
`10`		`9189`
`11`		`33896`
`12`		`126759`
`13`		`476270`
`14`		`1802312`
`15`		`6849777`
`16`		`26152418`
`17`		`100203194`
`18`		`385221143`
`19`		`1485200848`
`20`		`5741256764`
`21`		`22245940545`
`22`		`86383382827`
`23`		`336093325058`
`24`		`1309998125640`

[1,1,2,7,18,60,196,704,2500,9189,33896,126759, 476270,1802312,6849777,26152418,100203194, 385221143,1485200848,5741256764,22245940545, 86383382827,336093325058,1309998125640]

Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

AT&T Labs Research