Search: id:A053906 Results 1-1 of 1 results found. %I A053906 %S A053906 1,4,26,131,276,881,3431,81346,81619,129119,132954,1292931424 %N A053906 Numbers n such that n^2 contains only digits {1,6,7}. %H A053906 P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences %Y A053906 Cf. A053907. %Y A053906 Sequence in context: A140804 A147621 A058408 this_sequence A100236 A144068 A121767 %Y A053906 Adjacent sequences: A053903 A053904 A053905 this_sequence A053907 A053908 A053909 %K A053906 nonn,base,more %O A053906 1,2 %A A053906 Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000. %E A053906 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005 Search completed in 0.001 seconds