Search: id:A043880 Results 1-1 of 1 results found. %I A043880 %S A043880 4,20,33,36,49,52,84,97,100,113,116,129,135,148,161,164,177,180, %T A043880 193,199,212,225,228,241,244,340,353,356,369,372,385,391,404, %U A043880 417,420,433,436,449,455,468,481,484,497,500,513,519,543,545 %N A043880 Numbers n such that 0 and 1 occur juxtaposed in the base 4 representation of n but not of n+1. %Y A043880 Sequence in context: A097251 A079454 A115428 this_sequence A030002 A085805 A119413 %Y A043880 Adjacent sequences: A043877 A043878 A043879 this_sequence A043881 A043882 A043883 %K A043880 nonn,base %O A043880 1,1 %A A043880 Clark Kimberling (ck6(AT)evansville.edu) Search completed in 0.001 seconds