A026826 - OEIS

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A026826 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`0`
`11`		`1`
`12`		`1`
`13`		`1`
`14`		`1`
`15`		`1`
`16`		`1`
`17`		`1`
`18`		`2`
`19`		`2`
`20`		`3`
`21`		`3`
`22`		`4`
`23`		`4`
`24`		`5`
`25`		`5`
`26`		`7`
`27`		`7`
`28`		`9`
`29`		`10`
`30`		`12`
`31`		`13`
`32`		`16`
`33`		`17`
`34`		`20`
`35`		`23`
`36`		`26`
`37`		`29`
`38`		`34`
`39`		`38`
`40`		`43`
`41`		`49`
`42`		`55`
`43`		`62`
`44`		`70`
`45`		`79`
`46`		`88`
`47`		`100`
`48`		`111`
`49`		`125`
`50`		`140`
`51`		`157`
`52`		`174`
`53`		`196`
`54`		`217`
`55`		`243`
`56`		`270`
`57`		`301`
`58`		`333`
`59`		`372`
`60`		`411`
`61`		`457`
`62`		`506`
`63`		`561`
`64`		`619`
`65`		`687`
`66`		`757`
`67`		`837`
`68`		`924`
`69`		`1019`
`70`		`1122`

[0,0,0,0,0,1,0,0,0,0,0,1,1,1,1,1,1,1,2,2,3,3,4,4, 5,5,7,7,9,10,12,13,16,17,20,23,26,29,34,38,43,49, 55,62,70,79,88,100,111,125,140,157,174,196,217, 243,270,301,333,372,411,457,506,561,619,687,757, 837,924,1019,1122]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)