A171890 - OEIS

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A171890 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`1`
`7`		`1`
`8`		`1`
`9`		`1`
`10`		`2`
`11`		`3`
`12`		`4`
`13`		`5`
`14`		`6`
`15`		`7`
`16`		`8`
`17`		`7`
`18`		`6`
`19`		`5`
`20`		`4`
`21`		`3`
`22`		`2`
`23`		`1`
`24`		`1`
`25`		`3`
`26`		`6`
`27`		`10`
`28`		`15`
`29`		`21`
`30`		`28`
`31`		`36`
`32`		`42`
`33`		`46`
`34`		`48`
`35`		`48`
`36`		`46`
`37`		`42`
`38`		`36`
`39`		`28`
`40`		`21`
`41`		`15`
`42`		`10`
`43`		`6`
`44`		`3`
`45`		`1`
`46`		`1`
`47`		`4`
`48`		`10`
`49`		`20`
`50`		`35`
`51`		`56`
`52`		`84`
`53`		`120`
`54`		`161`
`55`		`204`
`56`		`246`
`57`		`284`
`58`		`315`
`59`		`336`
`60`		`344`
`61`		`336`
`62`		`315`
`63`		`284`
`64`		`246`
`65`		`204`
`66`		`161`
`67`		`120`
`68`		`84`
`69`		`56`
`70`		`35`

[1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,7,6,5,4,3,2,1, 1,3,6,10,15,21,28,36,42,46,48,48,46,42,36,28,21, 15,10,6,3,1,1,4,10,20,35,56,84,120,161,204,246, 284,315,336,344,336,315,284,246,204,161,120,84,56, 35]

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Last modified April 23 09:22 EDT 2024. Contains 371905 sequences. (Running on oeis4.)