A072840 - OEIS

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A072840 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`0`
`6`		`0`
`7`		`0`
`8`		`0`
`9`		`20`
`10`		`0`
`11`		`0`
`12`		`0`
`13`		`0`
`14`		`0`
`15`		`0`
`16`		`90`
`17`		`0`
`18`		`0`
`19`		`0`
`20`		`90`
`21`		`240`
`22`		`0`
`23`		`0`
`24`		`420`
`25`		`252`
`26`		`0`
`27`		`0`
`28`		`0`
`29`		`720`
`30`		`0`
`31`		`0`
`32`		`0`
`33`		`0`
`34`		`0`
`35`		`0`
`36`		`1700`
`37`		`0`
`38`		`0`
`39`		`0`
`40`		`1260`
`41`		`2700`
`42`		`0`
`43`		`0`
`44`		`3240`
`45`		`1680`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`5220`
`50`		`0`
`51`		`0`
`52`		`0`
`53`		`0`
`54`		`0`
`55`		`0`
`56`		`7740`
`57`		`0`
`58`		`0`
`59`		`0`
`60`		`4920`
`61`		`10080`
`62`		`0`
`63`		`0`
`64`		`12690`
`65`		`7020`
`66`		`0`
`67`		`0`
`68`		`0`
`69`		`15120`
`70`		`0`
`71`		`0`
`72`		`0`
`73`		`0`
`74`		`0`
`75`		`0`
`76`		`22680`
`77`		`0`
`78`		`0`

[1,0,0,0,0,0,0,0,0,20,0,0,0,0,0,0,90,0,0,0,90,240, 0,0,420,252,0,0,0,720,0,0,0,0,0,0,1700,0,0,0,1260, 2700,0,0,3240,1680,0,0,0,5220,0,0,0,0,0,0,7740,0, 0,0,4920,10080,0,0,12690,7020,0,0,0,15120,0,0,0,0, 0,0,22680,0,0]

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Last modified May 24 14:15 EDT 2013. Contains 225622 sequences.