A137591 - OEIS

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A137591 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`6`
`4`		`54`
`5`		`660`
`6`		`10260`
`7`		`194040`
`8`		`4326840`
`9`		`111177360`
`10`		`3234848400`
`11`		`105135861600`
`12`		`3775206204000`
`13`		`148426878600000`
`14`		`6341634955656000`
`15`		`292576856395824000`
`16`		`14496220038251952000`
`17`		`767691210706291872000`
`18`		`43274547687106768032000`
`19`		`2587028200730649643968000`
`20`		`163484729048197101504960000`

[1,1,6,54,660,10260,194040,4326840,111177360, 3234848400,105135861600,3775206204000, 148426878600000,6341634955656000, 292576856395824000,14496220038251952000, 767691210706291872000,43274547687106768032000, 2587028200730649643968000, 163484729048197101504960000]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)