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
Links
- 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.
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