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A053968 Numbers k such that k^2 contains only digits {5,6,7}. 1
24, 26, 76, 869924, 2582184474, 75349689155076, 75879284173334, 815816631091556424, 881854102200458483334, 2562353735836753390526 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 11 18:37 EDT 2020. Contains 336428 sequences. (Running on oeis4.)