A145640 as tables, graphs or sounds

A145640 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`5`
`4`		`35`
`5`		`315`
`6`		`3465`
`7`		`45045`
`8`		`45045`
`9`		`255255`
`10`		`969969`
`11`		`29393`
`12`		`2028117`
`13`		`50702925`
`14`		`456326325`
`15`		`13233463425`
`16`		`820474732350`
`17`		`4512611027925`
`18`		`4512611027925`
`19`		`166966608033225`
`20`		`12843585233325`
`21`		`526586994566325`
`22`		`22643240766351975`

[1,3,5,35,315,3465,45045,45045,255255,969969, 29393,2028117,50702925,456326325,13233463425, 820474732350,4512611027925,4512611027925, 166966608033225,12843585233325,526586994566325, 22643240766351975]

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

AT&T Labs Research