A001412 - OEIS

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A001412 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`30`
`3`		`150`
`4`		`726`
`5`		`3534`
`6`		`16926`
`7`		`81390`
`8`		`387966`
`9`		`1853886`
`10`		`8809878`
`11`		`41934150`
`12`		`198842742`
`13`		`943974510`
`14`		`4468911678`
`15`		`21175146054`
`16`		`100121875974`
`17`		`473730252102`
`18`		`2237723684094`
`19`		`10576033219614`
`20`		`49917327838734`
`21`		`235710090502158`
`22`		`1111781983442406`
`23`		`5245988215191414`
`24`		`24730180885580790`
`25`		`116618841700433358`
`26`		`549493796867100942`
`27`		`2589874864863200574`
`28`		`12198184788179866902`
`29`		`57466913094951837030`
`30`		`270569905525454674614`

[1,6,30,150,726,3534,16926,81390,387966,1853886, 8809878,41934150,198842742,943974510,4468911678, 21175146054,100121875974,473730252102, 2237723684094,10576033219614,49917327838734, 235710090502158,1111781983442406,5245988215191414, 24730180885580790,116618841700433358, 549493796867100942,2589874864863200574, 12198184788179866902,57466913094951837030, 270569905525454674614]

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Last modified June 19 13:12 EDT 2013. Contains 226406 sequences.