A054034 - OEIS

A054034

Numbers n such that n^2 contains exactly 6 different digits.

322, 323, 324, 328, 352, 353, 364, 367, 374, 375, 397, 403, 405, 413, 416, 425, 442, 445, 456, 458, 463, 487, 504, 507, 508, 509, 529, 542, 557, 564, 567, 571, 572, 574, 584, 589, 591, 593, 597, 598, 616, 618, 621, 625, 626, 629, 634, 637, 639, 645, 647

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

John Cerkan, Table of n, a(n) for n = 1..10000

MAPLE

f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=6 then f := [op(f), i] fi; od; f;

MATHEMATICA

Select[Range[700], Count[DigitCount[#^2], 0]==4&] (* Harvey P. Dale, May 10 2021 *)

CROSSREFS

Cf. A016069, A054031, A054032, A054033, A054035, A054036, A054037, A054038, A054039.

Sequence in context: A090101 A105952 A062205 * A357118 A004947 A004967

Adjacent sequences: A054031 A054032 A054033 * A054035 A054036 A054037

KEYWORD

nonn,base

AUTHOR

Asher Auel, Feb 29 2000

STATUS

approved