A161259 - OEIS

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A161259 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`1`
`7`		`1`
`8`		`1`
`9`		`1`
`10`		`1`
`11`		`1`
`12`		`2`
`13`		`1`
`14`		`2`
`15`		`1`
`16`		`2`
`17`		`1`
`18`		`3`
`19`		`2`
`20`		`4`
`21`		`3`
`22`		`5`
`23`		`4`
`24`		`7`
`25`		`5`
`26`		`7`
`27`		`6`
`28`		`9`
`29`		`7`
`30`		`10`
`31`		`9`
`32`		`12`
`33`		`10`
`34`		`13`
`35`		`12`
`36`		`16`
`37`		`13`
`38`		`17`
`39`		`15`
`40`		`20`
`41`		`16`
`42`		`23`
`43`		`19`
`44`		`26`
`45`		`21`
`46`		`29`
`47`		`25`
`48`		`35`
`49`		`30`
`50`		`39`
`51`		`34`
`52`		`45`
`53`		`38`
`54`		`51`
`55`		`45`
`56`		`60`
`57`		`50`
`58`		`65`
`59`		`57`
`60`		`74`
`61`		`65`
`62`		`83`
`63`		`76`
`64`		`93`
`65`		`83`
`66`		`104`
`67`		`94`
`68`		`115`
`69`		`105`
`70`		`129`
`71`		`117`
`72`		`142`
`73`		`131`
`74`		`156`
`75`		`145`
`76`		`172`
`77`		`163`
`78`		`189`
`79`		`176`

[0,0,0,0,0,1,1,1,1,1,1,2,1,2,1,2,1,3,2,4,3,5,4,7, 5,7,6,9,7,10,9,12,10,13,12,16,13,17,15,20,16,23, 19,26,21,29,25,35,30,39,34,45,38,51,45,60,50,65, 57,74,65,83,76,93,83,104,94,115,105,129,117,142, 131,156,145,172,163,189,176]

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Last modified August 23 06:45 EDT 2024. Contains 375375 sequences. (Running on oeis4.)