A028931 - OEIS

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A028931 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`20`
`3`		`21`
`4`		`310`
`5`		`311`
`6`		`4200`
`7`		`4201`
`8`		`4220`
`9`		`4221`
`10`		`53110`
`11`		`53111`
`12`		`642000`
`13`		`642001`
`14`		`642020`
`15`		`642021`
`16`		`642310`
`17`		`642311`
`18`		`7531200`
`19`		`7531201`
`20`		`7531220`
`21`		`7531221`
`22`		`86420110`
`23`		`86420111`
`24`		`86424000`
`25`		`86424001`
`26`		`86424020`
`27`		`86424021`
`28`		`86424310`
`29`		`86424311`

[0,1,20,21,310,311,4200,4201,4220,4221,53110, 53111,642000,642001,642020,642021,642310,642311, 7531200,7531201,7531220,7531221,86420110,86420111, 86424000,86424001,86424020,86424021,86424310, 86424311]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)