A028866 as tables, graphs or sounds

A028866 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`9`
`3`		`25`
`4`		`49`
`5`		`169`
`6`		`289`
`7`		`1369`
`8`		`4489`
`9`		`6889`
`10`		`11449`
`11`		`27889`
`12`		`113569`
`13`		`134689`
`14`		`146689`
`15`		`344569`
`16`		`2778889`
`17`		`27777888889`
`18`		`111113555569`
`19`		`111133556689`
`20`		`111333666889`
`21`		`113344668889`
`22`		`444444888889`
`23`		`1111133355666889`
`24`		`1133444466888889`

[4,9,25,49,169,289,1369,4489,6889,11449,27889, 113569,134689,146689,344569,2778889,27777888889, 111113555569,111133556689,111333666889, 113344668889,444444888889,1111133355666889, 1133444466888889]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research