A000988 - OEIS

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A000988 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`7`
`5`		`18`
`6`		`60`
`7`		`196`
`8`		`704`
`9`		`2500`
`10`		`9189`
`11`		`33896`
`12`		`126759`
`13`		`476270`
`14`		`1802312`
`15`		`6849777`
`16`		`26152418`
`17`		`100203194`
`18`		`385221143`
`19`		`1485200848`
`20`		`5741256764`
`21`		`22245940545`
`22`		`86383382827`
`23`		`336093325058`
`24`		`1309998125640`
`25`		`5114451441106`
`26`		`19998172734786`
`27`		`78306011677182`
`28`		`307022182222506`
`29`		`1205243866707468`
`30`		`4736694001644862`

[1,1,1,2,7,18,60,196,704,2500,9189,33896,126759, 476270,1802312,6849777,26152418,100203194, 385221143,1485200848,5741256764,22245940545, 86383382827,336093325058,1309998125640, 5114451441106,19998172734786,78306011677182, 307022182222506,1205243866707468,4736694001644862]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)