A123227 - OEIS

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A123227 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`12`
`3`		`66`
`4`		`480`
`5`		`4368`
`6`		`47712`
`7`		`608016`
`8`		`8855040`
`9`		`145083648`
`10`		`2641216512`
`11`		`52891055616`
`12`		`1155444326400`
`13`		`27344999497728`
`14`		`696933753434112`
`15`		`19031293222127616`
`16`		`554336947975618560`
`17`		`17155693983744196608`
`18`		`562168282464340672512`
`19`		`19444889661250162262016`

[1,3,12,66,480,4368,47712,608016,8855040, 145083648,2641216512,52891055616,1155444326400, 27344999497728,696933753434112,19031293222127616, 554336947975618560,17155693983744196608, 562168282464340672512,19444889661250162262016]

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)