A208538 - OEIS

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A208538 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`21`
`5`		`102`
`6`		`1505`
`7`		`19995`
`8`		`365260`
`9`		`7456596`
`10`		`174489813`
`11`		`4545454545`
`12`		`130773238871`
`13`		`4115123283810`
`14`		`140620807064413`
`15`		`5185603185296625`
`16`		`205262771447683860`
`17`		`8680820740569200760`
`18`		`390641235316599920745`
`19`		`18637772246193096746253`
`20`		`939749336469457562916217`

[1,1,1,21,102,1505,19995,365260,7456596,174489813, 4545454545,130773238871,4115123283810, 140620807064413,5185603185296625, 205262771447683860,8680820740569200760, 390641235316599920745,18637772246193096746253, 939749336469457562916217]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)