A000557 - OEIS

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A000557 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`50`
`4`		`416`
`5`		`4322`
`6`		`53888`
`7`		`783890`
`8`		`13031936`
`9`		`243733442`
`10`		`5064992768`
`11`		`115780447730`
`12`		`2887222009856`
`13`		`77998677862562`
`14`		`2269232452763648`
`15`		`70734934220015570`
`16`		`2351893466832306176`
`17`		`83086463910558199682`
`18`		`3107896091715557654528`
`19`		`122711086194279627711410`

[1,2,8,50,416,4322,53888,783890,13031936, 243733442,5064992768,115780447730,2887222009856, 77998677862562,2269232452763648,70734934220015570, 2351893466832306176,83086463910558199682, 3107896091715557654528,122711086194279627711410]

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Last modified April 26 06:23 EDT 2024. Contains 371990 sequences. (Running on oeis4.)