A020876 as tables, graphs or sounds

A020876 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`5`
`2`		`15`
`3`		`50`
`4`		`175`
`5`		`625`
`6`		`2250`
`7`		`8125`
`8`		`29375`
`9`		`106250`
`10`		`384375`
`11`		`1390625`
`12`		`5031250`
`13`		`18203125`
`14`		`65859375`
`15`		`238281250`
`16`		`862109375`
`17`		`3119140625`
`18`		`11285156250`
`19`		`40830078125`
`20`		`147724609375`
`21`		`534472656250`
`22`		`1933740234375`

[2,5,15,50,175,625,2250,8125,29375,106250,384375, 1390625,5031250,18203125,65859375,238281250, 862109375,3119140625,11285156250,40830078125, 147724609375,534472656250,1933740234375]

Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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