A031152 as tables, graphs or sounds

A031152 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`25`
`3`		`225`
`4`		`4225`
`5`		`55225`
`6`		`442225`
`7`		`4545424`
`8`		`5452225`
`9`		`42445225`
`10`		`44422225`
`11`		`544522225`
`12`		`2224254244`
`13`		`4424245225`
`14`		`4444222225`
`15`		`4554225225`
`16`		`54445222225`
`17`		`55255554225`
`18`		`444242245225`
`19`		`444442222225`
`20`		`5444452222225`
`21`		`44442422245225`

[4,25,225,4225,55225,442225,4545424,5452225, 42445225,44422225,544522225,2224254244,4424245225, 4444222225,4554225225,54445222225,55255554225, 444242245225,444442222225,5444452222225, 44442422245225]

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

AT&T Labs Research