A002663 as tables, graphs or sounds

A002663 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`1`
`5`		`6`
`6`		`22`
`7`		`64`
`8`		`163`
`9`		`382`
`10`		`848`
`11`		`1816`
`12`		`3797`
`13`		`7814`
`14`		`15914`
`15`		`32192`
`16`		`64839`
`17`		`130238`
`18`		`261156`
`19`		`523128`
`20`		`1047225`
`21`		`2095590`
`22`		`4192510`
`23`		`8386560`
`24`		`16774891`
`25`		`33551806`
`26`		`67105912`
`27`		`134214424`
`28`		`268431773`
`29`		`536866822`
`30`		`1073737298`

[0,0,0,0,1,6,22,64,163,382,848,1816,3797,7814, 15914,32192,64839,130238,261156,523128,1047225, 2095590,4192510,8386560,16774891,33551806, 67105912,134214424,268431773,536866822, 1073737298]

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

AT&T Labs Research