A001498 as tables, graphs or sounds

A001498 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`3`
`6`		`1`
`7`		`6`
`8`		`15`
`9`		`15`
`10`		`1`
`11`		`10`
`12`		`45`
`13`		`105`
`14`		`105`
`15`		`1`
`16`		`15`
`17`		`105`
`18`		`420`
`19`		`945`
`20`		`945`
`21`		`1`
`22`		`21`
`23`		`210`
`24`		`1260`
`25`		`4725`
`26`		`10395`
`27`		`10395`
`28`		`1`
`29`		`28`
`30`		`378`
`31`		`3150`
`32`		`17325`
`33`		`62370`
`34`		`135135`
`35`		`135135`
`36`		`1`
`37`		`36`
`38`		`630`
`39`		`6930`
`40`		`51975`
`41`		`270270`
`42`		`945945`
`43`		`2027025`
`44`		`2027025`
`45`		`1`
`46`		`45`
`47`		`990`
`48`		`13860`
`49`		`135135`

[1,1,1,1,3,3,1,6,15,15,1,10,45,105,105,1,15,105, 420,945,945,1,21,210,1260,4725,10395,10395,1,28, 378,3150,17325,62370,135135,135135,1,36,630,6930, 51975,270270,945945,2027025,2027025,1,45,990, 13860,135135]

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research