A011991 - OEIS

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A011991 as a simple table

`n`		`a(n)`
`7`		`1`
`8`		`0`
`9`		`0`
`10`		`0`
`11`		`0`
`12`		`0`
`13`		`1`
`14`		`0`
`15`		`2`
`16`		`0`
`17`		`0`
`18`		`0`
`19`		`4`
`20`		`0`
`21`		`7`
`22`		`0`
`23`		`0`
`24`		`0`
`25`		`12`
`26`		`0`
`27`		`8`
`28`		`0`
`29`		`0`
`30`		`0`
`31`		`80`
`32`		`0`
`33`		`84`
`34`		`0`
`35`		`0`
`36`		`0`
`37`		`820`
`38`		`0`
`39`		`798`
`40`		`0`
`41`		`0`
`42`		`0`
`43`		`9508`
`44`		`0`
`45`		`11616`
`46`		`0`
`47`		`0`
`48`		`0`
`49`		`157340`
`50`		`0`
`51`		`139828`
`52`		`0`
`53`		`0`
`54`		`0`
`55`		`3027456`
`56`		`0`
`57`		`2353310`

[1,0,0,0,0,0,1,0,2,0,0,0,4,0,7,0,0,0,12,0,8,0,0,0, 80,0,84,0,0,0,820,0,798,0,0,0,9508,0,11616,0,0,0, 157340,0,139828,0,0,0,3027456,0,2353310]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)