A075225 - OEIS

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A075225 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`4`
`3`		`16`
`4`		`84`
`5`		`496`
`6`		`3120`
`7`		`20416`
`8`		`137300`
`9`		`942384`
`10`		`6572336`
`11`		`46432960`
`12`		`331580272`
`13`		`2389352256`
`14`		`17351364160`
`15`		`126851634432`
`16`		`932823545428`
`17`		`6895102385072`
`18`		`51199649648048`
`19`		`381738099675840`
`20`		`2856639909232112`
`21`		`21447771308542784`

[1,4,4,16,84,496,3120,20416,137300,942384,6572336, 46432960,331580272,2389352256,17351364160, 126851634432,932823545428,6895102385072, 51199649648048,381738099675840,2856639909232112, 21447771308542784]

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Last modified August 10 17:16 EDT 2024. Contains 375058 sequences. (Running on oeis4.)