A007542 as tables, graphs or sounds

A007542 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`15`
`3`		`825`
`4`		`725`
`5`		`1925`
`6`		`2275`
`7`		`425`
`8`		`390`
`9`		`330`
`10`		`290`
`11`		`770`
`12`		`910`
`13`		`170`
`14`		`156`
`15`		`132`
`16`		`116`
`17`		`308`
`18`		`364`
`19`		`68`
`20`		`4`
`21`		`30`
`22`		`225`
`23`		`12375`
`24`		`10875`
`25`		`28875`
`26`		`25375`
`27`		`67375`
`28`		`79625`
`29`		`14875`
`30`		`13650`
`31`		`2550`
`32`		`2340`
`33`		`1980`
`34`		`1740`
`35`		`4620`
`36`		`4060`
`37`		`10780`
`38`		`12740`
`39`		`2380`
`40`		`2184`
`41`		`408`
`42`		`152`

[2,15,825,725,1925,2275,425,390,330,290,770,910, 170,156,132,116,308,364,68,4,30,225,12375,10875, 28875,25375,67375,79625,14875,13650,2550,2340, 1980,1740,4620,4060,10780,12740,2380,2184,408, 152]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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