A020290 - OEIS

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A020290 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`21`
`3`		`63`
`4`		`65`
`5`		`133`
`6`		`231`
`7`		`341`
`8`		`481`
`9`		`511`
`10`		`651`
`11`		`1387`
`12`		`1417`
`13`		`1541`
`14`		`1661`
`15`		`2047`
`16`		`2501`
`17`		`3171`
`18`		`3277`
`19`		`3641`
`20`		`4033`
`21`		`4097`
`22`		`4371`
`23`		`4681`
`24`		`5461`
`25`		`5963`
`26`		`6533`
`27`		`6951`
`28`		`7107`
`29`		`7161`
`30`		`8321`
`31`		`8911`
`32`		`9709`
`33`		`10261`
`34`		`11041`
`35`		`13333`
`36`		`13747`
`37`		`14491`
`38`		`14981`
`39`		`15709`
`40`		`15841`
`41`		`16589`
`42`		`19561`
`43`		`19951`

[9,21,63,65,133,231,341,481,511,651,1387,1417, 1541,1661,2047,2501,3171,3277,3641,4033,4097,4371, 4681,5461,5963,6533,6951,7107,7161,8321,8911,9709, 10261,11041,13333,13747,14491,14981,15709,15841, 16589,19561,19951]

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Last modified August 18 11:16 EDT 2024. Contains 375265 sequences. (Running on oeis4.)