A161851 Squares which are anagrams of prime numbers.

16, 121, 169, 196, 289, 361, 784, 961, 1024, 1156, 1225, 1369, 1444, 1681, 1849, 1936, 2116, 2209, 2401, 2704, 2809, 3025, 3136, 3364, 3481, 3721, 3844, 5041, 5329, 5476, 5776, 6241, 6724, 6889, 7225, 7396, 7921, 8281, 8836, 9025, 9409, 10201, 10609

Offset

1,1

Comments

16 is in the sequence because it is a square and 61 (an anagram of 16) is a prime number.

1156 is in the sequence because it is a square and 6151 (an anagram of 1156) is a prime number.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Mathematica

aprQ[n_]:=Length[Select[Select[FromDigits/@Permutations[IntegerDigits[n]], IntegerLength[#] == IntegerLength[n]&], PrimeQ]]>0; Select[Range[110]^2, aprQ] (* Harvey P. Dale, Aug 20 2011 *)

Crossrefs

Sequence in context: A301649 A014732 A135794 * A171584 A017030 A082921

Adjacent sequences: A161848 A161849 A161850 * A161852 A161853 A161854

Keyword

nonn,base

Author

Claudio Meller, Jun 20 2009

Status

approved