A004521 - OEIS

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A004521 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`4`
`3`		`6`
`4`		`8`
`5`		`10`
`6`		`1`
`7`		`3`
`8`		`5`
`9`		`7`
`10`		`9`
`11`		`22`
`12`		`24`
`13`		`26`
`14`		`28`
`15`		`30`
`16`		`32`
`17`		`23`
`18`		`25`
`19`		`27`
`20`		`29`
`21`		`31`
`22`		`44`
`23`		`46`
`24`		`48`
`25`		`50`
`26`		`52`
`27`		`54`
`28`		`45`
`29`		`47`
`30`		`49`
`31`		`51`
`32`		`53`
`33`		`66`
`34`		`68`
`35`		`70`
`36`		`72`
`37`		`74`
`38`		`76`
`39`		`67`
`40`		`69`
`41`		`71`
`42`		`73`
`43`		`75`
`44`		`88`
`45`		`90`
`46`		`92`
`47`		`94`
`48`		`96`
`49`		`98`
`50`		`89`
`51`		`91`
`52`		`93`
`53`		`95`
`54`		`97`
`55`		`110`
`56`		`112`
`57`		`114`

[0,2,4,6,8,10,1,3,5,7,9,22,24,26,28,30,32,23,25, 27,29,31,44,46,48,50,52,54,45,47,49,51,53,66,68, 70,72,74,76,67,69,71,73,75,88,90,92,94,96,98,89, 91,93,95,97,110,112,114]

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Last modified September 18 10:34 EDT 2024. Contains 375999 sequences. (Running on oeis4.)