A028400 - OEIS

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A028400 as a simple table

`n`		`a(n)`
`0`		`4`
`1`		`9`
`2`		`25`
`3`		`81`
`4`		`289`
`5`		`1089`
`6`		`4225`
`7`		`16641`
`8`		`66049`
`9`		`263169`
`10`		`1050625`
`11`		`4198401`
`12`		`16785409`
`13`		`67125249`
`14`		`268468225`
`15`		`1073807361`
`16`		`4295098369`
`17`		`17180131329`
`18`		`68720001025`
`19`		`274878955521`
`20`		`1099513724929`
`21`		`4398050705409`
`22`		`17592194433025`

[4,9,25,81,289,1089,4225,16641,66049,263169, 1050625,4198401,16785409,67125249,268468225, 1073807361,4295098369,17180131329,68720001025, 274878955521,1099513724929,4398050705409, 17592194433025]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)