A001699 as tables, graphs or sounds

A001699 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`21`
`4`		`651`
`5`		`457653`
`6`		`210065930571`
`7`		`44127887745696109598901`
`8`		`1947270476915296449559659317606103024276803403`
`9`		`3791862310265926082868235028027893277370233150300118107846437701158064808916492244872560821`

[1,1,3,21,651,457653,210065930571, 44127887745696109598901, 1947270476915296449559659317606103024276803403, 3791862310265926082868235028027893277370233150300118107846437701158064808916492244872560821]

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

AT&T Labs Research