A045505 - OEIS

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A045505 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`21`
`2`		`262`
`3`		`2525`
`4`		`20754`
`5`		`152946`
`6`		`1040556`
`7`		`6659037`
`8`		`40599130`
`9`		`237978598`
`10`		`1350216660`
`11`		`7453221490`
`12`		`40188242420`
`13`		`212349718980`
`14`		`1102352779992`
`15`		`5634083759325`
`16`		`28400234400810`
`17`		`141402315307550`
`18`		`696257439473860`

[1,21,262,2525,20754,152946,1040556,6659037, 40599130,237978598,1350216660,7453221490, 40188242420,212349718980,1102352779992, 5634083759325,28400234400810,141402315307550, 696257439473860]

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