A136457 - OEIS

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A136457 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`1`
`5`		`-2`
`6`		`1`
`7`		`-2`
`8`		`5`
`9`		`-4`
`10`		`1`
`11`		`12`
`12`		`-32`
`13`		`29`
`14`		`-10`
`15`		`1`
`16`		`-288`
`17`		`780`
`18`		`-728`
`19`		`269`
`20`		`-34`
`21`		`1`
`22`		`34560`
`23`		`-93888`
`24`		`88140`
`25`		`-33008`
`26`		`4349`
`27`		`-154`
`28`		`1`
`29`		`-24883200`
`30`		`67633920`
`31`		`-63554688`
`32`		`23853900`
`33`		`-3164288`
`34`		`115229`
`35`		`-874`
`36`		`1`
`37`		`125411328000`
`38`		`-340899840000`
`39`		`320383261440`
`40`		`-120287210688`
`41`		`15971865420`
`42`		`-583918448`
`43`		`4520189`

[1,-1,1,1,-2,1,-2,5,-4,1,12,-32,29,-10,1,-288,780, -728,269,-34,1,34560,-93888,88140,-33008,4349, -154,1,-24883200,67633920,-63554688,23853900, -3164288,115229,-874,1,125411328000,-340899840000, 320383261440,-120287210688,15971865420,-583918448, 4520189]

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Last modified April 24 10:00 EDT 2024. Contains 371935 sequences. (Running on oeis4.)