A218898 - OEIS

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A218898 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`6`
`3`		`18`
`4`		`34`
`5`		`86`
`6`		`180`
`7`		`426`
`8`		`930`
`9`		`2140`
`10`		`4758`
`11`		`10818`
`12`		`24240`
`13`		`54834`
`14`		`123274`
`15`		`278260`
`16`		`626446`
`17`		`1412746`
`18`		`3182416`
`19`		`7174106`
`20`		`16164834`
`21`		`36434260`
`22`		`82103270`
`23`		`185041218`
`24`		`417002816`
`25`		`939796802`
`26`		`2117936730`
`27`		`4773120596`
`28`		`10756848350`
`29`		`24242204506`

[4,6,18,34,86,180,426,930,2140,4758,10818,24240, 54834,123274,278260,626446,1412746,3182416, 7174106,16164834,36434260,82103270,185041218, 417002816,939796802,2117936730,4773120596, 10756848350,24242204506]

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Last modified April 23 14:15 EDT 2024. Contains 371914 sequences. (Running on oeis4.)