A049898 as tables, graphs or sounds

A049898 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`4`
`4`		`5`
`5`		`10`
`6`		`20`
`7`		`40`
`8`		`77`
`9`		`153`
`10`		`310`
`11`		`620`
`12`		`1237`
`13`		`2473`
`14`		`4941`
`15`		`9872`
`16`		`19724`
`17`		`39411`
`18`		`78898`
`19`		`157796`
`20`		`315589`
`21`		`631177`
`22`		`1262349`
`23`		`2524688`
`24`		`5049356`
`25`		`10098675`
`26`		`20197274`
`27`		`40394391`
`28`		`80788472`
`29`		`161576327`
`30`		`323151418`
`31`		`646300368`
`32`		`1292595805`

[1,1,4,5,10,20,40,77,153,310,620,1237,2473,4941, 9872,19724,39411,78898,157796,315589,631177, 1262349,2524688,5049356,10098675,20197274, 40394391,80788472,161576327,323151418,646300368, 1292595805]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research