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A044905 Numbers whose base-4 run lengths alternate: odd, even, odd, ... 0

%I #11 Apr 21 2021 04:23:51

%S 1,2,3,16,21,26,31,32,37,42,47,48,53,58,63,65,66,67,104,105,107,124,

%T 125,126,129,130,131,148,150,151,188,189,190,193,194,195,212,214,215,

%U 232,233,235,256,336,341,346,351,426,511,512,597

%N Numbers whose base-4 run lengths alternate: odd, even, odd, ...

%Y Cf. A007090.

%K nonn,base

%O 1,2

%A _Clark Kimberling_

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Last modified April 20 17:12 EDT 2024. Contains 371845 sequences. (Running on oeis4.)