A004687 - OEIS

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A004687 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`3`
`5`		`11`
`6`		`20`
`7`		`31`
`8`		`111`
`9`		`202`
`10`		`313`
`11`		`1121`
`12`		`2100`
`13`		`3221`
`14`		`11321`
`15`		`21202`
`16`		`33123`
`17`		`120331`
`18`		`220120`
`19`		`1001111`
`20`		`1221231`
`21`		`2223002`
`22`		`10110233`
`23`		`12333301`
`24`		`23110200`
`25`		`102110101`
`26`		`131220301`
`27`		`233331002`
`28`		`1031211303`
`29`		`1331202311`

[0,1,1,2,3,11,20,31,111,202,313,1121,2100,3221, 11321,21202,33123,120331,220120,1001111,1221231, 2223002,10110233,12333301,23110200,102110101, 131220301,233331002,1031211303,1331202311]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)