A222470 - OEIS

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A222470 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`12`
`5`		`52`
`6`		`288`
`7`		`1912`
`8`		`14720`
`9`		`128656`
`10`		`1257120`
`11`		`13571008`
`12`		`160337856`
`13`		`2057250112`
`14`		`28480825856`
`15`		`423097887616`
`16`		`6712604550144`
`17`		`113268081577216`
`18`		`2025400259289600`
`19`		`38256068763347968`
`20`		`761070574748380160`

[1,2,4,12,52,288,1912,14720,128656,1257120, 13571008,160337856,2057250112,28480825856, 423097887616,6712604550144,113268081577216, 2025400259289600,38256068763347968, 761070574748380160]

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Last modified April 16 11:48 EDT 2024. Contains 371711 sequences. (Running on oeis4.)