A168491 - OEIS

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A168491 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`2`
`3`		`-5`
`4`		`14`
`5`		`-42`
`6`		`132`
`7`		`-429`
`8`		`1430`
`9`		`-4862`
`10`		`16796`
`11`		`-58786`
`12`		`208012`
`13`		`-742900`
`14`		`2674440`
`15`		`-9694845`
`16`		`35357670`
`17`		`-129644790`
`18`		`477638700`
`19`		`-1767263190`
`20`		`6564120420`
`21`		`-24466267020`
`22`		`91482563640`
`23`		`-343059613650`
`24`		`1289904147324`
`25`		`-4861946401452`
`26`		`18367353072152`
`27`		`-69533550916004`

[1,-1,2,-5,14,-42,132,-429,1430,-4862,16796, -58786,208012,-742900,2674440,-9694845,35357670, -129644790,477638700,-1767263190,6564120420, -24466267020,91482563640,-343059613650, 1289904147324,-4861946401452,18367353072152, -69533550916004]

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Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)