A234841 Integers n such that digits in n and n^2 are in nondecreasing order.

0, 1, 2, 3, 4, 5, 6, 7, 12, 13, 15, 16, 17, 34, 35, 37, 38, 67, 116, 117, 167, 334, 335, 337, 367, 667, 1667, 3334, 3335, 3337, 3367, 3667, 6667, 16667, 33334, 33335, 33337, 33367, 33667, 36667, 66667, 166667, 333334, 333335, 333337, 333367, 333667, 336667

Offset

1,3

Links

Zak Seidov, Table of n, a(n) for n = 1..96

Mathematica

Select[Range[0, 500000], LessEqual@@IntegerDigits[#]&&LessEqual@@IntegerDigits[#^2]&](* Ray Chandler, Jan 02 2014 *)

Crossrefs

Intersection of A009994 and A028819.

Sequence in context: A023762 A032903 A028819 * A353725 A108948 A107818

Adjacent sequences: A234838 A234839 A234840 * A234842 A234843 A234844

Keyword

base,nonn

Author

Zak Seidov, Dec 31 2013

Status

approved