A068657 - OEIS

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A068657 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`21`
`3`		`31`
`4`		`421`
`5`		`521`
`6`		`631`
`7`		`731`
`8`		`8421`
`9`		`9421`
`10`		`10521`
`11`		`11521`
`12`		`12631`
`13`		`13631`
`14`		`14731`
`15`		`15731`
`16`		`168421`
`17`		`178421`
`18`		`189421`
`19`		`199421`
`20`		`2010521`
`21`		`2110521`
`22`		`2211521`
`23`		`2311521`
`24`		`2412631`
`25`		`2512631`
`26`		`2613631`
`27`		`2713631`
`28`		`2814731`
`29`		`2914731`
`30`		`3015731`
`31`		`3115731`
`32`		`32168421`

[1,21,31,421,521,631,731,8421,9421,10521,11521, 12631,13631,14731,15731,168421,178421,189421, 199421,2010521,2110521,2211521,2311521,2412631, 2512631,2613631,2713631,2814731,2914731,3015731, 3115731,32168421]

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)