A037689 - OEIS

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A037689 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`7`
`3`		`35`
`4`		`178`
`5`		`891`
`6`		`4457`
`7`		`22285`
`8`		`111428`
`9`		`557141`
`10`		`2785707`
`11`		`13928535`
`12`		`69642678`
`13`		`348213391`
`14`		`1741066957`
`15`		`8705334785`
`16`		`43526673928`
`17`		`217633369641`
`18`		`1088166848207`
`19`		`5440834241035`
`20`		`27204171205178`
`21`		`136020856025891`
`22`		`680104280129457`

[1,7,35,178,891,4457,22285,111428,557141,2785707, 13928535,69642678,348213391,1741066957,8705334785, 43526673928,217633369641,1088166848207, 5440834241035,27204171205178,136020856025891, 680104280129457]

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Last modified May 21 14:33 EDT 2013. Contains 225503 sequences.