A053923 as tables, graphs or sounds

A053923 formatted as a simple table:

`n`		`a(n)`
`1`		`4`
`2`		`64`
`3`		`4624`
`4`		`26244`
`5`		`446224`
`6`		`26646244`
`7`		`44462224`
`8`		`662444644`
`9`		`4444622224`
`10`		`6266622244`
`11`		`26646644644`
`12`		`444446222224`
`13`		`44444462222224`
`14`		`64664242622464`
`15`		`624666644462224`
`16`		`4444444622222224`
`17`		`444444446222222224`

[4,64,4624,26244,446224,26646244,44462224, 662444644,4444622224,6266622244,26646644644, 444446222224,44444462222224,64664242622464, 624666644462224,4444444622222224, 444444446222222224]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research