A187742 - OEIS

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A187742 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`14`
`4`		`66`
`5`		`384`
`6`		`2640`
`7`		`20880`
`8`		`186480`
`9`		`1854720`
`10`		`20321280`
`11`		`243129600`
`12`		`3153427200`
`13`		`44068147200`
`14`		`660064204800`
`15`		`10548573235200`
`16`		`179151388416000`
`17`		`3222109642752000`
`18`		`61178237632512000`
`19`		`1222853377794048000`
`20`		`25667116186263552000`
`21`		`564433265896980480000`
`22`		`12977099311614197760000`

[1,1,4,14,66,384,2640,20880,186480,1854720, 20321280,243129600,3153427200,44068147200, 660064204800,10548573235200,179151388416000, 3222109642752000,61178237632512000, 1222853377794048000,25667116186263552000, 564433265896980480000,12977099311614197760000]

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Last modified April 24 08:59 EDT 2024. Contains 371935 sequences. (Running on oeis4.)