A006940 - OEIS

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A006940 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`11`
`2`		`121`
`3`		`1001`
`4`		`11011`
`5`		`121121`
`6`		`1002001`
`7`		`11022011`
`8`		`121212121`
`9`		`1000000001`
`10`		`11000000011`
`11`		`121000000121`
`12`		`1001000001001`
`13`		`11011000011011`
`14`		`121121000121121`
`15`		`1002001001002001`
`16`		`11022011011022011`
`17`		`121212121121212121`
`18`		`1000000002000000001`
`19`		`11000000022000000011`
`20`		`121000000212000000121`

[1,11,121,1001,11011,121121,1002001,11022011, 121212121,1000000001,11000000011,121000000121, 1001000001001,11011000011011,121121000121121, 1002001001002001,11022011011022011, 121212121121212121,1000000002000000001, 11000000022000000011,121000000212000000121]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)