A140786 as tables, graphs or sounds

A140786 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`5`
`3`		`30`
`4`		`230`
`5`		`4600`
`6`		`118735`
`7`		`8311450`
`8`		`756803538`
`9`		`190714491576`
`10`		`62835570762274`
`11`		`58060067384341176`
`12`		`70381397432713019444`
`13`		`241548955989071082731808`
`14`		`1090217292455289464608212443`
`15`		`14031096553899575409507694141410`

[1,2,5,30,230,4600,118735,8311450,756803538, 190714491576,62835570762274,58060067384341176, 70381397432713019444,241548955989071082731808, 1090217292455289464608212443, 14031096553899575409507694141410]

Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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