A020474 - OEIS

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A020474 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`0`
`4`		`1`
`5`		`0`
`6`		`1`
`7`		`2`
`8`		`0`
`9`		`0`
`10`		`2`
`11`		`4`
`12`		`0`
`13`		`0`
`14`		`1`
`15`		`5`
`16`		`9`
`17`		`0`
`18`		`0`
`19`		`0`
`20`		`3`
`21`		`12`
`22`		`21`
`23`		`0`
`24`		`0`
`25`		`0`
`26`		`1`
`27`		`9`
`28`		`30`
`29`		`51`
`30`		`0`
`31`		`0`
`32`		`0`
`33`		`0`
`34`		`4`
`35`		`25`
`36`		`76`
`37`		`127`
`38`		`0`
`39`		`0`
`40`		`0`
`41`		`0`
`42`		`1`
`43`		`14`
`44`		`69`
`45`		`196`
`46`		`323`
`47`		`0`
`48`		`0`
`49`		`0`
`50`		`0`
`51`		`0`
`52`		`5`
`53`		`44`
`54`		`189`
`55`		`512`
`56`		`835`
`57`		`0`
`58`		`0`
`59`		`0`
`60`		`0`
`61`		`0`
`62`		`1`
`63`		`20`
`64`		`133`
`65`		`518`
`66`		`1353`
`67`		`2188`
`68`		`0`
`69`		`0`
`70`		`0`
`71`		`0`
`72`		`0`
`73`		`0`
`74`		`6`
`75`		`70`
`76`		`392`
`77`		`1422`
`78`		`3610`
`79`		`5798`
`80`		`0`
`81`		`0`
`82`		`0`
`83`		`0`

[1,0,1,0,1,2,0,0,2,4,0,0,1,5,9,0,0,0,3,12,21,0,0, 0,1,9,30,51,0,0,0,0,4,25,76,127,0,0,0,0,1,14,69, 196,323,0,0,0,0,0,5,44,189,512,835,0,0,0,0,0,1,20, 133,518,1353,2188,0,0,0,0,0,0,6,70,392,1422,3610, 5798,0,0,0,0]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)