A178327 - OEIS

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A178327 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`21`
`3`		`6617`
`4`		`12131`
`5`		`12441`
`6`		`114917`
`7`		`121221`
`8`		`124281`
`9`		`125121`
`10`		`145581`
`11`		`172631`
`12`		`182121`
`13`		`191213`
`14`		`211551`
`15`		`221211`
`16`		`221421`
`17`		`241213`
`18`		`293143`
`19`		`421531`
`20`		`421821`

[1,21,6617,12131,12441,114917,121221,124281, 125121,145581,172631,182121,191213,211551,221211, 221421,241213,293143,421531,421821]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)