A208040 - OEIS

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A208040 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`81`
`3`		`279`
`4`		`961`
`5`		`4743`
`6`		`23409`
`7`		`100215`
`8`		`429025`
`9`		`1942075`
`10`		`8791225`
`11`		`38933415`
`12`		`172423161`
`13`		`770225067`
`14`		`3440643649`
`15`		`15317395695`
`16`		`68191488225`
`17`		`303989603715`
`18`		`1355149763881`
`19`		`6037892299063`
`20`		`26901929503849`
`21`		`119887169037291`

[9,81,279,961,4743,23409,100215,429025,1942075, 8791225,38933415,172423161,770225067,3440643649, 15317395695,68191488225,303989603715, 1355149763881,6037892299063,26901929503849, 119887169037291]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)