A277507 - OEIS

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A277507 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`0`
`2`		`0`
`3`		`3`
`4`		`28`
`5`		`305`
`6`		`3846`
`7`		`57337`
`8`		`998600`
`9`		`20036529`
`10`		`456403690`
`11`		`11647754921`
`12`		`329290975212`
`13`		`10214585950153`
`14`		`344897398385918`
`15`		`12590837785019145`
`16`		`494101941398352016`
`17`		`20740772742716097377`
`18`		`927276395603713539282`
`19`		`43987299891665164562377`
`20`		`2206610456287703987567540`

[-1,0,0,3,28,305,3846,57337,998600,20036529, 456403690,11647754921,329290975212,10214585950153, 344897398385918,12590837785019145, 494101941398352016,20740772742716097377, 927276395603713539282,43987299891665164562377, 2206610456287703987567540]

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Last modified October 4 11:16 EDT 2023. Contains 365874 sequences. (Running on oeis4.)