A017840 - OEIS

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A017840 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`1`
`7`		`1`
`8`		`1`
`9`		`1`
`10`		`1`
`11`		`2`
`12`		`3`
`13`		`4`
`14`		`5`
`15`		`5`
`16`		`6`
`17`		`8`
`18`		`11`
`19`		`15`
`20`		`19`
`21`		`23`
`22`		`28`
`23`		`35`
`24`		`45`
`25`		`59`
`26`		`76`
`27`		`96`
`28`		`120`
`29`		`150`
`30`		`190`
`31`		`243`
`32`		`311`
`33`		`396`
`34`		`501`
`35`		`632`
`36`		`799`
`37`		`1014`
`38`		`1290`
`39`		`1641`
`40`		`2083`
`41`		`2639`
`42`		`3342`
`43`		`4236`
`44`		`5376`
`45`		`6827`
`46`		`8667`
`47`		`10995`
`48`		`13941`
`49`		`17676`

[1,0,0,0,0,1,1,1,1,1,1,2,3,4,5,5,6,8,11,15,19,23, 28,35,45,59,76,96,120,150,190,243,311,396,501,632, 799,1014,1290,1641,2083,2639,3342,4236,5376,6827, 8667,10995,13941,17676]

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Last modified April 23 02:50 EDT 2024. Contains 371906 sequences. (Running on oeis4.)