A053944 Numbers k such that k^2 contains only digits {3,5,6}.

6, 256, 744, 1834, 18806, 23166, 23566, 256194, 2357194, 2523166, 187979694, 2310098166, 19121548934, 25209786895834, 23527926717739784

Offset

1,1

Links

Table of n, a(n) for n=1..15.

Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences.

Hisanori Mishima, Sporadic tridigital solutions.

Author?, Source(txt)

Crossrefs

Cf. A053945.

Sequence in context: A279869 A271501 A113900 * A362713 A324091 A221895

Adjacent sequences: A053941 A053942 A053943 * A053945 A053946 A053947

Keyword

nonn,base,more

Author

Patrick De Geest, Mar 15 2000

Extensions

One more term from Ryan H. Richter (bobort(AT)bigfoot.com), Jan 25 2001, who remarks that there are no more terms less than 4000000000

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

One more term from Jon E. Schoenfield, Sep 04 2006

a(15) from Mishima's website added by Elmo R. Oliveira, Jul 17 2025

Status

approved