%I A054264
%S A054264 4,6,8910,12,141516,18,202122,2425262728,30,3233343536,383940,42,
%T A054264 444546,4849505152,5455565758,60,6263646566,686970,72,7475767778,
%U A054264 808182,8485868788,90919293949596,9899100,102,104105106,108,110111112
%N A054264 Concatenation of composite numbers between successive primes.
%Y A054264 Cf. A046933, A054265, A054266, A054267, A054268.
%Y A054264 Sequence in context: A035481 A061214 A137024 this_sequence A077305 A146294 
               A133982
%Y A054264 Adjacent sequences: A054261 A054262 A054263 this_sequence A054265 A054266 
               A054267
%K A054264 nonn,base,easy
%O A054264 0,1
%A A054264 Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 15 2000.