A277950 - OEIS

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A277950 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`5`
`4`		`10`
`5`		`10`
`6`		`5`
`7`		`1`
`8`		`1`
`9`		`5`
`10`		`15`
`11`		`30`
`12`		`45`
`13`		`51`
`14`		`45`
`15`		`30`
`16`		`15`
`17`		`5`
`18`		`1`
`19`		`1`
`20`		`5`
`21`		`15`
`22`		`35`
`23`		`65`
`24`		`101`
`25`		`135`
`26`		`155`
`27`		`155`
`28`		`135`
`29`		`101`
`30`		`65`
`31`		`35`
`32`		`15`
`33`		`5`
`34`		`1`
`35`		`1`
`36`		`5`
`37`		`15`
`38`		`35`
`39`		`70`
`40`		`121`
`41`		`185`
`42`		`255`
`43`		`320`
`44`		`365`
`45`		`381`
`46`		`365`
`47`		`320`
`48`		`255`
`49`		`185`
`50`		`121`
`51`		`70`
`52`		`35`
`53`		`15`
`54`		`5`
`55`		`1`

[1,1,5,10,10,5,1,1,5,15,30,45,51,45,30,15,5,1,1,5, 15,35,65,101,135,155,155,135,101,65,35,15,5,1,1,5, 15,35,70,121,185,255,320,365,381,365,320,255,185, 121,70,35,15,5,1]

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Last modified July 13 18:54 EDT 2024. Contains 374285 sequences. (Running on oeis4.)