A191681 - OEIS

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A191681 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`4`
`2`		`40`
`3`		`364`
`4`		`3280`
`5`		`29524`
`6`		`265720`
`7`		`2391484`
`8`		`21523360`
`9`		`193710244`
`10`		`1743392200`
`11`		`15690529804`
`12`		`141214768240`
`13`		`1270932914164`
`14`		`11438396227480`
`15`		`102945566047324`
`16`		`926510094425920`
`17`		`8338590849833284`
`18`		`75047317648499560`
`19`		`675425858836496044`

[0,4,40,364,3280,29524,265720,2391484,21523360, 193710244,1743392200,15690529804,141214768240, 1270932914164,11438396227480,102945566047324, 926510094425920,8338590849833284, 75047317648499560,675425858836496044]

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Last modified May 13 09:49 EDT 2024. Contains 372504 sequences. (Running on oeis4.)