A000531 - OEIS

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A000531 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`7`
`3`		`38`
`4`		`187`
`5`		`874`
`6`		`3958`
`7`		`17548`
`8`		`76627`
`9`		`330818`
`10`		`1415650`
`11`		`6015316`
`12`		`25413342`
`13`		`106853668`
`14`		`447472972`
`15`		`1867450648`
`16`		`7770342787`
`17`		`32248174258`
`18`		`133530264682`
`19`		`551793690628`
`20`		`2276098026922`
`21`		`9373521044908`
`22`		`38546133661492`

[1,7,38,187,874,3958,17548,76627,330818,1415650, 6015316,25413342,106853668,447472972,1867450648, 7770342787,32248174258,133530264682,551793690628, 2276098026922,9373521044908,38546133661492]

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Last modified May 19 19:20 EDT 2013. Contains 225436 sequences.