A171822 - OEIS

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A171822 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`9`
`5`		`1`
`6`		`1`
`7`		`30`
`8`		`30`
`9`		`1`
`10`		`1`
`11`		`70`
`12`		`225`
`13`		`70`
`14`		`1`
`15`		`1`
`16`		`135`
`17`		`980`
`18`		`980`
`19`		`135`
`20`		`1`
`21`		`1`
`22`		`231`
`23`		`3150`
`24`		`7056`
`25`		`3150`
`26`		`231`
`27`		`1`
`28`		`1`
`29`		`364`
`30`		`8316`
`31`		`34650`
`32`		`34650`
`33`		`8316`
`34`		`364`
`35`		`1`
`36`		`1`
`37`		`540`
`38`		`19110`
`39`		`132132`
`40`		`245025`
`41`		`132132`
`42`		`19110`
`43`		`540`
`44`		`1`
`45`		`1`
`46`		`765`
`47`		`39600`
`48`		`420420`
`49`		`1288287`
`50`		`1288287`
`51`		`420420`
`52`		`39600`
`53`		`765`
`54`		`1`

[1,1,1,1,9,1,1,30,30,1,1,70,225,70,1,1,135,980, 980,135,1,1,231,3150,7056,3150,231,1,1,364,8316, 34650,34650,8316,364,1,1,540,19110,132132,245025, 132132,19110,540,1,1,765,39600,420420,1288287, 1288287,420420,39600,765,1]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)