A206348 Smallest number k such that the decimal representations of k^2 and (k+n)^2 are anagrams.

13, 206, 438, 133, 191, 513, 37, 266, 12, 130, 449, 639, 178, 1028, 207, 397, 14, 13, 517, 2060, 108, 898, 1946, 135, 1225, 1337, 42, 7717, 323, 144, 178, 542, 486, 64, 4343, 593, 103, 4823, 1110, 106, 1910, 54, 739, 1238, 153, 8437, 2087, 1224, 637, 128

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Example

a(5)=191 because 191^2 = 36481 and (191+5)^2 = 38416 and 36481 and 38416 are anagrams.

Mathematica

Table[k = 1; While[Sort[IntegerDigits[k^2]] != Sort[IntegerDigits[(k + n)^2]], k++]; k, {n, 100}] (* T. D. Noe, Feb 06 2012 *)

Crossrefs

Sequence in context: A194727 A059355 A243783 * A240393 A319115 A145270

Adjacent sequences: A206345 A206346 A206347 * A206349 A206350 A206351

Keyword

nonn,base

Author

Claudio Meller, Feb 06 2012

Status

approved