A000156 as tables, graphs or sounds

A000156 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`48`
`2`		`1104`
`3`		`16192`
`4`		`170064`
`5`		`1362336`
`6`		`8662720`
`7`		`44981376`
`8`		`195082320`
`9`		`721175536`
`10`		`2319457632`
`11`		`6631997376`
`12`		`17231109824`
`13`		`41469483552`
`14`		`93703589760`
`15`		`200343312768`
`16`		`407488018512`
`17`		`793229226336`
`18`		`1487286966928`
`19`		`2697825744960`
`20`		`4744779429216`

[1,48,1104,16192,170064,1362336,8662720,44981376, 195082320,721175536,2319457632,6631997376, 17231109824,41469483552,93703589760,200343312768, 407488018512,793229226336,1487286966928, 2697825744960,4744779429216]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research