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A031057 Write 2n-1 in base 8 and juxtapose. 9

%I #7 Feb 13 2023 11:55:07

%S 1,3,5,7,1,1,1,3,1,5,1,7,2,1,2,3,2,5,2,7,3,1,3,3,3,5,3,7,4,1,4,3,4,5,

%T 4,7,5,1,5,3,5,5,5,7,6,1,6,3,6,5,6,7,7,1,7,3,7,5,7,7,1,0,1,1,0,3,1,0,

%U 5,1,0,7,1,1,1,1,1,3,1,1,5,1,1,7,1,2,1,1,2,3

%N Write 2n-1 in base 8 and juxtapose.

%t Table[IntegerDigits[2n-1,8],{n,50}]//Flatten (* _Harvey P. Dale_, Feb 13 2023 *)

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)