A015123 - OEIS

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A015123 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`-9`
`5`		`1`
`6`		`1`
`7`		`91`
`8`		`91`
`9`		`1`
`10`		`1`
`11`		`-909`
`12`		`9191`
`13`		`-909`
`14`		`1`
`15`		`1`
`16`		`9091`
`17`		`918191`
`18`		`918191`
`19`		`9091`
`20`		`1`
`21`		`1`
`22`		`-90909`
`23`		`91828191`
`24`		`-917272809`
`25`		`91828191`
`26`		`-90909`
`27`		`1`
`28`		`1`
`29`		`909091`
`30`		`9182728191`
`31`		`917364637191`
`32`		`917364637191`
`33`		`9182728191`
`34`		`909091`
`35`		`1`
`36`		`1`
`37`		`-9090909`
`38`		`918273728191`

[1,1,1,1,-9,1,1,91,91,1,1,-909,9191,-909,1,1,9091, 918191,918191,9091,1,1,-90909,91828191,-917272809, 91828191,-90909,1,1,909091,9182728191, 917364637191,917364637191,9182728191,909091,1,1, -9090909,918273728191]

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Last modified April 24 11:01 EDT 2024. Contains 371936 sequences. (Running on oeis4.)