A161405 as tables, graphs or sounds

A161405 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`1000000000000`
`3`		`0`
`4`		`2`
`5`		`0`
`6`		`-1`
`7`		`-1`
`8`		`0`
`9`		`5`
`10`		`-1`
`11`		`-1`
`12`		`1000`
`13`		`1000`
`14`		`1`
`15`		`-1`
`16`		`0`
`17`		`100000000000000000000000000000000000000000`
`18`		`15`
`19`		`0`
`20`		`2`
`21`		`3`
`22`		`1`
`23`		`9`
`24`		`-1`
`25`		`1000000000000000000000000000000000000`
`26`		`31`
`27`		`10`

[4,1000000000000,0,2,0,-1,-1,0,5,-1,-1,1000,1000, 1,-1,0,100000000000000000000000000000000000000000, 15,0,2,3,1,9,-1, 1000000000000000000000000000000000000,31,10]

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research