A030987 as tables, graphs or sounds

A030987 formatted as a simple table:

`n`		`a(n)`
`0`		`4`
`1`		`44`
`2`		`344`
`3`		`7344`
`4`		`77344`
`5`		`777344`
`6`		`6777344`
`7`		`46777344`
`8`		`446777344`
`9`		`446777344`
`10`		`20446777344`
`11`		`20446777344`
`12`		`5020446777344`
`13`		`35020446777344`
`14`		`935020446777344`
`15`		`5935020446777344`
`16`		`35935020446777344`

[4,44,344,7344,77344,777344,6777344,46777344, 446777344,446777344,20446777344,20446777344, 5020446777344,35020446777344,935020446777344, 5935020446777344,35935020446777344]

Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research