A052095 a(n)^2 is a square whose decimal expansion digits occur with an exact frequency of 3.

10011, 10110, 10401, 11001, 11010, 14499, 20022, 20220, 22002, 22020, 28998, 31086, 333303, 344514, 354318, 354996, 360096, 367854, 379665, 414189, 442263, 458499, 458610, 460719, 462765, 467997, 470682, 484173, 492489, 518484, 528297

Offset: 1

Author

Patrick De Geest, Jan 15 2000

Keywords

• nonn
• base
• fini

Comments

For case frequency 2 the first terms correspond to those of sequence A052049.

Last term is 999944387118711. - Giovanni Resta, Mar 21 2013

Links

• P. De Geest, Numbers whose digits occur with same frequency

Crossrefs

Cf. A052096, A052097, A052098, A052049.

Programs

Mathematica

Select[Range[53*10^4],Union[Tally[IntegerDigits[#^2]][[All,2]]]=={3}&] (* Harvey P. Dale, May 05 2018 *)