A270471 - OEIS

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A270471 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`28`
`3`		`196`
`4`		`1372`
`5`		`9604`
`6`		`67228`
`7`		`470596`
`8`		`3294172`
`9`		`23059204`
`10`		`161414428`
`11`		`1129900996`
`12`		`7909306972`
`13`		`55365148804`
`14`		`387556041628`
`15`		`2712892291396`
`16`		`18990246039772`
`17`		`132931722278404`
`18`		`930522055948828`
`19`		`6513654391641796`
`20`		`45595580741492572`
`21`		`319169065190448004`

[1,4,28,196,1372,9604,67228,470596,3294172, 23059204,161414428,1129900996,7909306972, 55365148804,387556041628,2712892291396, 18990246039772,132931722278404,930522055948828, 6513654391641796,45595580741492572, 319169065190448004]

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)