A005805 - OEIS

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A005805 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`18`
`5`		`107`
`6`		`1008`
`7`		`13113`
`8`		`214238`
`9`		`4182487`
`10`		`94747196`
`11`		`2440784645`
`12`		`70431957258`
`13`		`2249856084803`
`14`		`78802876705608`
`15`		`3002702793753489`
`16`		`123649410977736950`
`17`		`5471808106109912815`
`18`		`258948617502187143188`
`19`		`13049542794706527317597`
`20`		`697673361673877090147490`

[1,2,5,18,107,1008,13113,214238,4182487,94747196, 2440784645,70431957258,2249856084803, 78802876705608,3002702793753489, 123649410977736950,5471808106109912815, 258948617502187143188,13049542794706527317597, 697673361673877090147490]

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Last modified April 18 04:31 EDT 2024. Contains 371767 sequences. (Running on oeis4.)