A173918 - OEIS

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A173918 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`4`
`5`		`1`
`6`		`1`
`7`		`28`
`8`		`28`
`9`		`1`
`10`		`1`
`11`		`133`
`12`		`931`
`13`		`133`
`14`		`1`
`15`		`1`
`16`		`760`
`17`		`25270`
`18`		`25270`
`19`		`760`
`20`		`1`
`21`		`1`
`22`		`3880`
`23`		`737200`
`24`		`3501700`
`25`		`737200`
`26`		`3880`
`27`		`1`
`28`		`1`
`29`		`21049`
`30`		`20417530`
`31`		`554190100`
`32`		`554190100`
`33`		`20417530`
`34`		`21049`
`35`		`1`
`36`		`1`
`37`		`110236`
`38`		`580089391`
`39`		`80383815610`
`40`		`459336089200`

[1,1,1,1,4,1,1,28,28,1,1,133,931,133,1,1,760, 25270,25270,760,1,1,3880,737200,3501700,737200, 3880,1,1,21049,20417530,554190100,554190100, 20417530,21049,1,1,110236,580089391,80383815610, 459336089200]

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Last modified September 5 12:56 EDT 2024. Contains 375696 sequences. (Running on oeis4.)