A053969 Squares composed of digits {5,6,7}.
576, 676, 5776, 756767765776, 6667676657766656676, 5677575655766577766776565776, 5757665766657575655756675556, 665556775565576667756557666775667776, 777666657567776675657756675676567555755556, 6565656667556566576676575665776756666556676
Offset: 1
Links
- P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
- Author?, Source(txt)
- H. Mishima, Squares consisted of 3 different digits
Crossrefs
Cf. A053968.
Formula
a(n) = A053968(n)^2.
Extensions
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
Two more terms from Jon E. Schoenfield, Sep 04 2006
Three more terms from Mishima's website added by Max Alekseyev, May 02 2011