A284816 - OEIS

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A284816 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`21`
`4`		`132`
`5`		`960`
`6`		`7920`
`7`		`73080`
`8`		`745920`
`9`		`8346240`
`10`		`101606400`
`11`		`1337212800`
`12`		`18920563200`
`13`		`286442956800`
`14`		`4620449433600`
`15`		`79114299264000`
`16`		`1433211107328000`
`17`		`27387931963392000`
`18`		`550604138692608000`
`19`		`11617107089043456000`
`20`		`256671161862635520000`
`21`		`5926549291918295040000`

[1,4,21,132,960,7920,73080,745920,8346240, 101606400,1337212800,18920563200,286442956800, 4620449433600,79114299264000,1433211107328000, 27387931963392000,550604138692608000, 11617107089043456000,256671161862635520000, 5926549291918295040000]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)