A090642 - OEIS

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A090642 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`4`
`5`		`6`
`6`		`1`
`7`		`9`
`8`		`36`
`9`		`84`
`10`		`1`
`11`		`16`
`12`		`120`
`13`		`560`
`14`		`1820`
`15`		`1`
`16`		`25`
`17`		`300`
`18`		`2300`
`19`		`12650`
`20`		`53130`
`21`		`1`
`22`		`36`
`23`		`630`
`24`		`7140`
`25`		`58905`
`26`		`376992`
`27`		`1947792`
`28`		`1`
`29`		`49`
`30`		`1176`
`31`		`18424`
`32`		`211876`
`33`		`1906884`
`34`		`13983816`
`35`		`85900584`
`36`		`1`
`37`		`64`
`38`		`2016`
`39`		`41664`
`40`		`635376`
`41`		`7624512`
`42`		`74974368`
`43`		`621216192`
`44`		`4426165368`

[1,1,1,1,4,6,1,9,36,84,1,16,120,560,1820,1,25,300, 2300,12650,53130,1,36,630,7140,58905,376992, 1947792,1,49,1176,18424,211876,1906884,13983816, 85900584,1,64,2016,41664,635376,7624512,74974368, 621216192,4426165368]

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Last modified July 22 20:14 EDT 2024. Contains 374540 sequences. (Running on oeis4.)