A220691 - OEIS

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A220691 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`0`
`5`		`0`
`6`		`3`
`7`		`0`
`8`		`1`
`9`		`1`
`10`		`6`
`11`		`0`
`12`		`0`
`13`		`1`
`14`		`2`
`15`		`10`
`16`		`0`
`17`		`0`
`18`		`1`
`19`		`2`
`20`		`4`
`21`		`15`
`22`		`0`
`23`		`0`
`24`		`1`
`25`		`1`
`26`		`4`
`27`		`6`
`28`		`21`
`29`		`0`
`30`		`0`
`31`		`0`
`32`		`2`
`33`		`2`
`34`		`5`
`35`		`9`
`36`		`28`
`37`		`0`
`38`		`0`
`39`		`0`
`40`		`1`
`41`		`2`
`42`		`3`
`43`		`7`
`44`		`12`
`45`		`36`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`1`
`50`		`2`
`51`		`3`
`52`		`5`
`53`		`10`
`54`		`16`
`55`		`45`
`56`		`0`
`57`		`0`
`58`		`0`
`59`		`0`
`60`		`2`
`61`		`2`
`62`		`4`
`63`		`6`
`64`		`12`
`65`		`20`
`66`		`55`
`67`		`0`
`68`		`0`
`69`		`0`
`70`		`0`
`71`		`1`
`72`		`3`
`73`		`3`
`74`		`6`
`75`		`8`
`76`		`15`
`77`		`25`
`78`		`66`
`79`		`0`
`80`		`0`
`81`		`0`
`82`		`0`

[0,0,1,0,0,3,0,1,1,6,0,0,1,2,10,0,0,1,2,4,15,0,0, 1,1,4,6,21,0,0,0,2,2,5,9,28,0,0,0,1,2,3,7,12,36,0, 0,0,1,2,3,5,10,16,45,0,0,0,0,2,2,4,6,12,20,55,0,0, 0,0,1,3,3,6,8,15,25,66,0,0,0,0]

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Last modified July 29 03:46 EDT 2024. Contains 374727 sequences. (Running on oeis4.)