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%I #10 May 04 2019 03:46:24
%S 1,3,5,7,10,12,14,16,19,21,23,25,28,30,32,34,37,39,41,43,45,48,50,52,
%T 54,57,59,61,63,66,68,70,72,75,77,79,81,83,86,88,90,92,95,97,99,101,
%U 104,106,108,110,113,115,117,119,121,124,126,128,130,133,135,137,139,142,144,146,148,151,153,155,157,159,162,164,166,168,171,173
%N n+[nr/u]+[ns/u]+[nt/u]; r=golden ratio, s=r^2, t=r^3, u=r^4.
%C A190508: a(n)=n+[nr]+[nr^2]+[nr^3]
%C A190509: b(n)=[n/r]+n+[nr]+[nr^2]
%C A054770: c(n)=[n/r^2]+[n/r]+n+[nr]
%C A190511: d(n)=[n/r^3]+[n/r^2]+[n/r]+n
%F a(n) = A022839(n)-1. - _Michel Dekking_, May 04 2019
%t (See A190508.)
%Y Cf. A190508, A190509, A054770.
%K nonn
%O 1,2
%A _Clark Kimberling_, May 11 2011
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