A054487 as tables, graphs or sounds

A054487 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`14`
`2`		`90`
`3`		`390`
`4`		`1320`
`5`		`3762`
`6`		`9438`
`7`		`21450`
`8`		`45045`
`9`		`88660`
`10`		`165308`
`11`		`294372`
`12`		`503880`
`13`		`833340`
`14`		`1337220`
`15`		`2089164`
`16`		`3187041`
`17`		`4758930`
`18`		`6970150`
`19`		`10031450`
`20`		`14208480`
`21`		`19832670`
`22`		`27313650`
`23`		`37153350`
`24`		`49961925`
`25`		`66475656`
`26`		`87576984`
`27`		`114316840`

[1,14,90,390,1320,3762,9438,21450,45045,88660, 165308,294372,503880,833340,1337220,2089164, 3187041,4758930,6970150,10031450,14208480, 19832670,27313650,37153350,49961925,66475656, 87576984,114316840]

Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

AT&T Labs Research