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A030620 a(n)=(# 3's)-(# 4's) in first n terms of A030604. 0

%I #6 Jun 22 2017 17:45:12

%S 0,0,1,1,1,1,1,1,2,3,3,2,2,3,3,3,3,3,2,2,2,2,2,2,2,2,1,1,1,1,0,0,-1,

%T -2,-1,-1,0,0,0,0,0,0,0,0,0,-1,-2,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,0,0,0,

%U -1,-1,-1,-1,-1,0,0,0,0,1,0,0,-1,-1,-1,-1,-1,-2

%N a(n)=(# 3's)-(# 4's) in first n terms of A030604.

%t Accumulate[Which[#==3,1,#==4,-1,True,0]&/@Flatten[IntegerDigits[#,6]&/@ Fibonacci[Range[2,30]]]] (* _Harvey P. Dale_, Jun 22 2017 *)

%K sign

%O 1,9

%A _Clark Kimberling_

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)