A115720 - OEIS

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A115720 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`2`
`5`		`0`
`6`		`3`
`7`		`0`
`8`		`4`
`9`		`1`
`10`		`0`
`11`		`5`
`12`		`2`
`13`		`0`
`14`		`6`
`15`		`5`
`16`		`0`
`17`		`7`
`18`		`8`
`19`		`0`
`20`		`8`
`21`		`14`
`22`		`0`
`23`		`9`
`24`		`20`
`25`		`1`
`26`		`0`
`27`		`10`
`28`		`30`
`29`		`2`
`30`		`0`
`31`		`11`
`32`		`40`
`33`		`5`
`34`		`0`
`35`		`12`
`36`		`55`
`37`		`10`
`38`		`0`
`39`		`13`
`40`		`70`
`41`		`18`
`42`		`0`
`43`		`14`
`44`		`91`
`45`		`30`
`46`		`0`
`47`		`15`
`48`		`112`
`49`		`49`
`50`		`0`
`51`		`16`
`52`		`140`
`53`		`74`
`54`		`1`
`55`		`0`
`56`		`17`
`57`		`168`
`58`		`110`
`59`		`2`
`60`		`0`
`61`		`18`
`62`		`204`
`63`		`158`
`64`		`5`
`65`		`0`
`66`		`19`
`67`		`240`
`68`		`221`
`69`		`10`
`70`		`0`
`71`		`20`
`72`		`285`
`73`		`302`
`74`		`20`
`75`		`0`
`76`		`21`
`77`		`330`
`78`		`407`

[1,0,1,0,2,0,3,0,4,1,0,5,2,0,6,5,0,7,8,0,8,14,0,9, 20,1,0,10,30,2,0,11,40,5,0,12,55,10,0,13,70,18,0, 14,91,30,0,15,112,49,0,16,140,74,1,0,17,168,110,2, 0,18,204,158,5,0,19,240,221,10,0,20,285,302,20,0, 21,330,407]

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Last modified April 19 03:27 EDT 2024. Contains 371782 sequences. (Running on oeis4.)