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A030603 (# 3's)-(# 4's) in first n terms of A030588. 1

%I

%S 0,1,1,1,1,1,2,2,2,2,2,2,3,3,3,4,4,5,6,7,7,6,6,5,6,5,5,5,5,5,6,6,6,6,

%T 6,6,6,6,7,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,9,9,9,9,9,10,10,10,11,12,

%U 12,13,13,13,12,12,12,11,12,12,11,11,11,11,11

%N (# 3's)-(# 4's) in first n terms of A030588.

%t Accumulate[Which[#==3,1,#==4,-1,True,0]&/@Flatten[Table[ IntegerDigits[ 2n-1,6],{n,50}]]] (* _Harvey P. Dale_, Dec 02 2014 *)

%K nonn

%O 1,7

%A _Clark Kimberling_

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Last modified September 28 05:33 EDT 2020. Contains 337392 sequences. (Running on oeis4.)