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A206348 Smallest number k such that the decimal representations of k^2 and (k+n)^2 are anagrams. 0
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 29 18:13 EST 2022. Contains 358431 sequences. (Running on oeis4.)