A166677 - OEIS

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A166677 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`18`
`3`		`66`
`4`		`280`
`5`		`1420`
`6`		`8544`
`7`		`59836`
`8`		`478720`
`9`		`4308516`
`10`		`43085200`
`11`		`473937244`
`12`		`5687246976`
`13`		`73934210740`
`14`		`1035078950416`
`15`		`15526184256300`
`16`		`248418948100864`
`17`		`4223122117714756`
`18`		`76016198118865680`
`19`		`1444307764258447996`

[1,5,18,66,280,1420,8544,59836,478720,4308516, 43085200,473937244,5687246976,73934210740, 1035078950416,15526184256300,248418948100864, 4223122117714756,76016198118865680, 1444307764258447996]

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Last modified July 26 08:22 EDT 2024. Contains 374615 sequences. (Running on oeis4.)