A026928 - OEIS

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A026928 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`1`
`7`		`2`
`8`		`2`
`9`		`3`
`10`		`4`
`11`		`6`
`12`		`7`
`13`		`10`
`14`		`11`
`15`		`14`
`16`		`16`
`17`		`20`
`18`		`23`
`19`		`28`
`20`		`31`
`21`		`37`
`22`		`41`
`23`		`48`
`24`		`53`
`25`		`61`
`26`		`67`
`27`		`76`
`28`		`83`
`29`		`94`
`30`		`102`
`31`		`114`
`32`		`123`
`33`		`136`
`34`		`147`
`35`		`162`
`36`		`174`
`37`		`191`
`38`		`204`
`39`		`222`
`40`		`237`
`41`		`257`
`42`		`274`
`43`		`296`
`44`		`314`
`45`		`338`
`46`		`358`
`47`		`384`
`48`		`406`
`49`		`434`
`50`		`458`
`51`		`488`
`52`		`514`

[0,0,0,0,1,1,2,2,3,4,6,7,10,11,14,16,20,23,28,31, 37,41,48,53,61,67,76,83,94,102,114,123,136,147, 162,174,191,204,222,237,257,274,296,314,338,358, 384,406,434,458,488,514]

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Last modified August 15 05:59 EDT 2024. Contains 375172 sequences. (Running on oeis4.)