A020931 - OEIS

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A020931 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-38`
`2`		`646`
`3`		`-6460`
`4`		`41990`
`5`		`-184756`
`6`		`554268`
`7`		`-1108536`
`8`		`1385670`
`9`		`-923780`
`10`		`184756`
`11`		`33592`
`12`		`16796`
`13`		`12920`
`14`		`12920`
`15`		`15504`
`16`		`21318`
`17`		`32604`
`18`		`54340`
`19`		`97240`
`20`		`184756`
`21`		`369512`
`22`		`772616`
`23`		`1679600`
`24`		`3779100`
`25`		`8767512`
`26`		`20907144`
`27`		`51106352`
`28`		`127765880`
`29`		`326023280`
`30`		`847660528`
`31`		`2242198816`

[1,-38,646,-6460,41990,-184756,554268,-1108536, 1385670,-923780,184756,33592,16796,12920,12920, 15504,21318,32604,54340,97240,184756,369512, 772616,1679600,3779100,8767512,20907144,51106352, 127765880,326023280,847660528,2242198816]

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Last modified September 16 22:04 EDT 2024. Contains 375979 sequences. (Running on oeis4.)