A180987 - OEIS

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A180987 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`1`
`3`		`3`
`4`		`0`
`5`		`3`
`6`		`4`
`7`		`0`
`8`		`1`
`9`		`6`
`10`		`5`
`11`		`0`
`12`		`0`
`13`		`4`
`14`		`10`
`15`		`6`
`16`		`0`
`17`		`0`
`18`		`1`
`19`		`10`
`20`		`15`
`21`		`7`
`22`		`0`
`23`		`0`
`24`		`0`
`25`		`5`
`26`		`20`
`27`		`21`
`28`		`8`
`29`		`0`
`30`		`0`
`31`		`0`
`32`		`1`
`33`		`15`
`34`		`35`
`35`		`28`
`36`		`9`
`37`		`0`
`38`		`0`
`39`		`0`
`40`		`0`
`41`		`6`
`42`		`35`
`43`		`56`
`44`		`36`
`45`		`10`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`0`
`50`		`1`
`51`		`21`
`52`		`70`
`53`		`84`
`54`		`45`
`55`		`11`
`56`		`0`
`57`		`0`
`58`		`0`
`59`		`0`
`60`		`0`
`61`		`7`
`62`		`56`
`63`		`126`
`64`		`120`
`65`		`55`
`66`		`12`
`67`		`0`
`68`		`0`
`69`		`0`
`70`		`0`
`71`		`0`
`72`		`1`
`73`		`28`
`74`		`126`
`75`		`210`
`76`		`165`
`77`		`66`
`78`		`13`
`79`		`0`
`80`		`0`
`81`		`0`
`82`		`0`
`83`		`0`
`84`		`0`
`85`		`8`
`86`		`84`
`87`		`252`
`88`		`330`

[2,1,3,0,3,4,0,1,6,5,0,0,4,10,6,0,0,1,10,15,7,0,0, 0,5,20,21,8,0,0,0,1,15,35,28,9,0,0,0,0,6,35,56,36, 10,0,0,0,0,1,21,70,84,45,11,0,0,0,0,0,7,56,126, 120,55,12,0,0,0,0,0,1,28,126,210,165,66,13,0,0,0, 0,0,0,8,84,252,330]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)