A154731 - OEIS

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A154731 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`18`
`3`		`180`
`4`		`2028`
`5`		`8820`
`6`		`34848`
`7`		`108288`
`8`		`191748`
`9`		`720900`
`10`		`875520`
`11`		`960498`
`12`		`990000`
`13`		`1355310`
`14`		`1629108`
`15`		`1713600`
`16`		`1756920`
`17`		`2334948`
`18`		`2609028`
`19`		`7376850`
`20`		`8448048`
`21`		`21639798`
`22`		`37148148`
`23`		`42023088`
`24`		`48893940`
`25`		`60544008`
`26`		`63840000`
`27`		`100328400`

[4,18,180,2028,8820,34848,108288,191748,720900, 875520,960498,990000,1355310,1629108,1713600, 1756920,2334948,2609028,7376850,8448048,21639798, 37148148,42023088,48893940,60544008,63840000, 100328400]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)