A257468 - OEIS

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A257468 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`6`
`4`		`1`
`5`		`15`
`6`		`90`
`7`		`1`
`8`		`28`
`9`		`70`
`10`		`420`
`11`		`2520`
`12`		`1`
`13`		`45`
`14`		`210`
`15`		`1260`
`16`		`3150`
`17`		`18900`
`18`		`113400`
`19`		`1`
`20`		`66`
`21`		`495`
`22`		`924`
`23`		`2970`
`24`		`13860`
`25`		`34650`
`26`		`83160`
`27`		`207900`
`28`		`1247400`
`29`		`7484400`
`30`		`1`
`31`		`91`
`32`		`1001`
`33`		`3003`
`34`		`6006`
`35`		`45045`
`36`		`84084`
`37`		`210210`
`38`		`270270`
`39`		`1261260`
`40`		`3153150`
`41`		`7567560`
`42`		`18918900`
`43`		`113513400`
`44`		`681080400`

[1,1,6,1,15,90,1,28,70,420,2520,1,45,210,1260, 3150,18900,113400,1,66,495,924,2970,13860,34650, 83160,207900,1247400,7484400,1,91,1001,3003,6006, 45045,84084,210210,270270,1261260,3153150,7567560, 18918900,113513400,681080400]

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Last modified April 17 21:22 EDT 2024. Contains 371767 sequences. (Running on oeis4.)