A007869 as tables, graphs or sounds

A007869 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`18`
`6`		`78`
`7`		`522`
`8`		`6178`
`9`		`137352`
`10`		`6002584`
`11`		`509498932`
`12`		`82545586656`
`13`		`25251015686776`
`14`		`14527077828617744`
`15`		`15713242984902154384`
`16`		`32000507852263779299344`
`17`		`122967932076766466347469888`

[1,1,2,6,18,78,522,6178,137352,6002584,509498932, 82545586656,25251015686776,14527077828617744, 15713242984902154384,32000507852263779299344, 122967932076766466347469888]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research