A007889 - OEIS

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A007889 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`7`
`4`		`36`
`5`		`246`
`6`		`2104`
`7`		`21652`
`8`		`260720`
`9`		`3598120`
`10`		`56010096`
`11`		`971055240`
`12`		`18558391936`
`13`		`387665694976`
`14`		`8787898861568`
`15`		`214868401724416`
`16`		`5636819806209792`
`17`		`157935254554567296`
`18`		`4707152127520549120`
`19`		`148704074888134683520`
`20`		`4963548160096887021056`
`21`		`174553183413968718996736`

[1,1,2,7,36,246,2104,21652,260720,3598120, 56010096,971055240,18558391936,387665694976, 8787898861568,214868401724416,5636819806209792, 157935254554567296,4707152127520549120, 148704074888134683520,4963548160096887021056, 174553183413968718996736]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)