A026975 - OEIS

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A026975 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`10`
`3`		`25`
`4`		`66`
`5`		`154`
`6`		`392`
`7`		`882`
`8`		`2180`
`9`		`4796`
`10`		`11640`
`11`		`25220`
`12`		`60424`
`13`		`129480`
`14`		`307264`
`15`		`652936`
`16`		`1538064`
`17`		`3247024`
`18`		`7604000`
`19`		`15968400`
`20`		`37217312`
`21`		`77818016`
`22`		`180652416`
`23`		`376359200`
`24`		`870795328`
`25`		`1808574912`
`26`		`4172640640`
`27`		`8643327040`

[1,3,10,25,66,154,392,882,2180,4796,11640,25220, 60424,129480,307264,652936,1538064,3247024, 7604000,15968400,37217312,77818016,180652416, 376359200,870795328,1808574912,4172640640, 8643327040]

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Last modified May 14 09:19 EDT 2024. Contains 372532 sequences. (Running on oeis4.)