A118747 as tables, graphs or sounds

A118747 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`6`
`3`		`30`
`4`		`210`
`5`		`1470`
`6`		`16170`
`7`		`210210`
`8`		`2732730`
`9`		`46456410`
`10`		`882671790`
`11`		`16770764010`
`12`		`385727572230`
`13`		`8871734161290`
`14`		`204049885709670`
`15`		`5917446685580430`
`16`		`183440847252993330`
`17`		`5686666264842793230`
`18`		`176286654210126590130`

[2,6,30,210,1470,16170,210210,2732730,46456410, 882671790,16770764010,385727572230,8871734161290, 204049885709670,5917446685580430, 183440847252993330,5686666264842793230, 176286654210126590130]

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

AT&T Labs Research