%I A017987
%S A017987 1,2,3,4,7,11,16,26,41,64,102,162,256,407,646,1024,1626,
%T A017987 2581,4096,6502,10322,16384,26008,41286,65536,104032,165141,
%U A017987 262144,416128,660562,1048576,1664511,2642246,4194304,6658043
%N A017987 Powers of cube root of 4 rounded up.
%Y A017987 Sequence in context: A023361 A113435 A025048 this_sequence A165407 A039897 
               A050193
%Y A017987 Adjacent sequences: A017984 A017985 A017986 this_sequence A017988 A017989 
               A017990
%K A017987 nonn
%O A017987 0,2
%A A017987 N. J. A. Sloane (njas(AT)research.att.com).