A074081 as tables, graphs or sounds

A074081 formatted as a simple table:

`n`		`a(n)`
`0`		`4`
`1`		`-1`
`2`		`3`
`3`		`-7`
`4`		`15`
`5`		`-26`
`6`		`51`
`7`		`-99`
`8`		`191`
`9`		`-367`
`10`		`708`
`11`		`-1365`
`12`		`2631`
`13`		`-5071`
`14`		`9775`
`15`		`-18842`
`16`		`36319`
`17`		`-70007`
`18`		`134943`
`19`		`-260111`
`20`		`501380`
`21`		`-966441`
`22`		`1862875`
`23`		`-3590807`
`24`		`6921503`
`25`		`-13341626`
`26`		`25716811`
`27`		`-49570747`
`28`		`95550687`
`29`		`-184179871`
`30`		`355018116`
`31`		`-684319421`
`32`		`1319068095`
`33`		`-2542585503`
`34`		`4900991135`

[4,-1,3,-7,15,-26,51,-99,191,-367,708,-1365,2631, -5071,9775,-18842,36319,-70007,134943,-260111, 501380,-966441,1862875,-3590807,6921503,-13341626, 25716811,-49570747,95550687,-184179871,355018116, -684319421,1319068095,-2542585503,4900991135]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research