A054138 - OEIS

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A054138 as a simple table

`n`		`a(n)`
`4`		`2`
`5`		`10`
`6`		`48`
`7`		`180`
`8`		`570`
`9`		`1602`
`10`		`4128`
`11`		`9972`
`12`		`22947`
`13`		`50899`
`14`		`109806`
`15`		`231988`
`16`		`482540`
`17`		`992212`
`18`		`2023184`
`19`		`4100632`
`20`		`8275877`
`21`		`16652701`
`22`		`33439998`
`23`		`67057096`
`24`		`134344422`
`25`		`268984854`
`26`		`538346448`
`27`		`1077167916`
`28`		`2154929607`
`29`		`4310595495`

[2,10,48,180,570,1602,4128,9972,22947,50899, 109806,231988,482540,992212,2023184,4100632, 8275877,16652701,33439998,67057096,134344422, 268984854,538346448,1077167916,2154929607, 4310595495]

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Last modified April 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)