A134967 as tables, graphs or sounds

A134967 formatted as a simple table:

`n`		`a(n)`
`0`		`-1`
`1`		`2`
`2`		`-1`
`3`		`2`
`4`		`-3`
`5`		`4`
`6`		`-3`
`7`		`4`
`8`		`-5`
`9`		`6`
`10`		`-5`
`11`		`6`
`12`		`-7`
`13`		`8`
`14`		`-7`
`15`		`8`
`16`		`-9`
`17`		`10`
`18`		`-9`
`19`		`10`
`20`		`-11`
`21`		`12`
`22`		`-11`
`23`		`12`
`24`		`-13`
`25`		`14`
`26`		`-13`
`27`		`14`
`28`		`-15`
`29`		`16`
`30`		`-15`
`31`		`16`
`32`		`-17`
`33`		`18`
`34`		`-17`
`35`		`18`
`36`		`-19`
`37`		`20`
`38`		`-19`
`39`		`20`
`40`		`-21`
`41`		`22`
`42`		`-21`
`43`		`22`
`44`		`-23`
`45`		`24`
`46`		`-23`
`47`		`24`
`48`		`-25`
`49`		`26`
`50`		`-25`
`51`		`26`
`52`		`-27`
`53`		`28`
`54`		`-27`
`55`		`28`
`56`		`-29`
`57`		`30`
`58`		`-29`
`59`		`30`
`60`		`-31`
`61`		`32`
`62`		`-31`
`63`		`32`
`64`		`-33`
`65`		`34`
`66`		`-33`
`67`		`34`
`68`		`-35`
`69`		`36`
`70`		`-35`
`71`		`36`
`72`		`-37`
`73`		`38`
`74`		`-37`
`75`		`38`
`76`		`-39`

[-1,2,-1,2,-3,4,-3,4,-5,6,-5,6,-7,8,-7,8,-9,10,-9, 10,-11,12,-11,12,-13,14,-13,14,-15,16,-15,16,-17, 18,-17,18,-19,20,-19,20,-21,22,-21,22,-23,24,-23, 24,-25,26,-25,26,-27,28,-27,28,-29,30,-29,30,-31, 32,-31,32,-33,34,-33,34,-35,36,-35,36,-37,38,-37, 38,-39]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research