A026378 as tables, graphs or sounds

A026378 formatted as a simple table:

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`17`
`4`		`75`
`5`		`339`
`6`		`1558`
`7`		`7247`
`8`		`34016`
`9`		`160795`
`10`		`764388`
`11`		`3650571`
`12`		`17501619`
`13`		`84179877`
`14`		`406020930`
`15`		`1963073865`
`16`		`9511333155`
`17`		`46169418195`
`18`		`224484046660`
`19`		`1093097083475`
`20`		`5329784874185`
`21`		`26018549129545`
`22`		`127154354598330`
`23`		`622031993807565`

[1,4,17,75,339,1558,7247,34016,160795,764388, 3650571,17501619,84179877,406020930,1963073865, 9511333155,46169418195,224484046660,1093097083475, 5329784874185,26018549129545,127154354598330, 622031993807565]

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

AT&T Labs Research