A053954 Numbers k such that k^2 contains only digits {4,5,9}.
2, 3, 7, 212, 2357, 23357, 244038, 678196107, 745281554823038, 703957001491895099962643
Offset: 1
Links
- P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
- H. Mishima Squares consisted of 3 different digits [From _Max Alekseyev_, May 18 2009]
Crossrefs
Cf. A053955.
Extensions
Two more terms from Mishima's webpage added by Max Alekseyev, May 18 2009