%I A026274
%S A026274 3,5,8,11,13,16,18,21,24,26,29,32,34,37,39,42,45,47,50,52,55,
%T A026274 58,60,63,66,68,71,73,76,79,81,84,87,89,92,94,97,100,102,105,
%U A026274 107,110,113,115,118,121,123,126,128,131,134,136,139,141,144
%N A026274 Greatest k such that s(k) = n, where s = A026272.
%F A026274 a(n) = 3*n - floor[(n+1)/(1+phi)], phi = (1+sqrt(5))/2 - Joshua Tobin 
               (tobinrj(AT)tcd.ie), May 31 2008
%Y A026274 Sequence in context: A117668 A050098 A025512 this_sequence A137910 A022850 
               A008576
%Y A026274 Adjacent sequences: A026271 A026272 A026273 this_sequence A026275 A026276 
               A026277
%K A026274 nonn
%O A026274 1,1
%A A026274 Clark Kimberling (ck6(AT)evansville.edu)