A053968 Numbers k such that k^2 contains only digits {5,6,7}.

24, 26, 76, 869924, 2582184474, 75349689155076, 75879284173334, 815816631091556424, 881854102200458483334, 2562353735836753390526

Offset

1,1

Links

Table of n, a(n) for n=1..10.

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. A053969.

Sequence in context: A053680 A260251 A295007 * A336237 A058627 A286130

Adjacent sequences: A053965 A053966 A053967 * A053969 A053970 A053971

Keyword

nonn,base,more

Author

Patrick De Geest, Mar 15 2000

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

Status

approved