A123520 - OEIS

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A123520 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`28`
`3`		`152`
`4`		`744`
`5`		`3436`
`6`		`15284`
`7`		`66224`
`8`		`281424`
`9`		`1178196`
`10`		`4874444`
`11`		`19973192`
`12`		`81189688`
`13`		`327817404`
`14`		`1316035940`
`15`		`5257118560`
`16`		`20909651104`
`17`		`82849544868`
`18`		`327163551612`
`19`		`1288036695544`
`20`		`5057236343176`
`21`		`19807689093644`
`22`		`77408388584724`

[4,28,152,744,3436,15284,66224,281424,1178196, 4874444,19973192,81189688,327817404,1316035940, 5257118560,20909651104,82849544868,327163551612, 1288036695544,5057236343176,19807689093644, 77408388584724]

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Last modified April 19 03:30 EDT 2024. Contains 371782 sequences. (Running on oeis4.)