A020921 - OEIS

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A020921 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`1`
`6`		`0`
`7`		`2`
`8`		`3`
`9`		`1`
`10`		`0`
`11`		`2`
`12`		`5`
`13`		`4`
`14`		`1`
`15`		`0`
`16`		`4`
`17`		`10`
`18`		`10`
`19`		`5`
`20`		`1`
`21`		`0`
`22`		`2`
`23`		`11`
`24`		`19`
`25`		`15`
`26`		`6`
`27`		`1`
`28`		`0`
`29`		`6`
`30`		`21`
`31`		`35`
`32`		`35`
`33`		`21`
`34`		`7`
`35`		`1`
`36`		`0`
`37`		`4`
`38`		`22`
`39`		`52`
`40`		`69`
`41`		`56`
`42`		`28`
`43`		`8`
`44`		`1`
`45`		`0`
`46`		`6`
`47`		`33`
`48`		`83`
`49`		`126`
`50`		`126`
`51`		`84`
`52`		`36`
`53`		`9`
`54`		`1`
`55`		`0`
`56`		`4`
`57`		`34`
`58`		`110`
`59`		`205`
`60`		`251`
`61`		`210`
`62`		`120`
`63`		`45`
`64`		`10`
`65`		`1`
`66`		`0`
`67`		`10`
`68`		`55`
`69`		`165`
`70`		`330`
`71`		`462`
`72`		`462`
`73`		`330`
`74`		`165`
`75`		`55`
`76`		`11`

[1,1,1,0,1,1,0,2,3,1,0,2,5,4,1,0,4,10,10,5,1,0,2, 11,19,15,6,1,0,6,21,35,35,21,7,1,0,4,22,52,69,56, 28,8,1,0,6,33,83,126,126,84,36,9,1,0,4,34,110,205, 251,210,120,45,10,1,0,10,55,165,330,462,462,330, 165,55,11]

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Last modified August 19 11:24 EDT 2024. Contains 375284 sequences. (Running on oeis4.)