A157491 - OEIS

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A157491 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`0`
`4`		`-1`
`5`		`2`
`6`		`0`
`7`		`2`
`8`		`-6`
`9`		`5`
`10`		`0`
`11`		`-5`
`12`		`20`
`13`		`-28`
`14`		`14`
`15`		`0`
`16`		`14`
`17`		`-70`
`18`		`135`
`19`		`-120`
`20`		`42`
`21`		`0`
`22`		`-42`
`23`		`252`
`24`		`-616`
`25`		`770`
`26`		`-495`
`27`		`132`
`28`		`0`
`29`		`132`
`30`		`-924`
`31`		`2730`
`32`		`-4368`
`33`		`4004`
`34`		`-2002`
`35`		`429`
`36`		`0`
`37`		`-429`
`38`		`3432`
`39`		`-11880`
`40`		`23100`
`41`		`-27300`
`42`		`19656`
`43`		`-8008`
`44`		`1430`

[1,0,1,0,-1,2,0,2,-6,5,0,-5,20,-28,14,0,14,-70, 135,-120,42,0,-42,252,-616,770,-495,132,0,132, -924,2730,-4368,4004,-2002,429,0,-429,3432,-11880, 23100,-27300,19656,-8008,1430]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)