A171585 Primes such that swapping some pair of digits gives a square.

61, 211, 619, 691, 829, 631, 487, 691, 4021, 6151, 3169, 4441, 601, 1861, 1489, 2161, 229, 4201, 8209, 5023, 6133, 4363, 8431, 7321, 541, 3529, 4261, 6427, 8689, 5227, 6397, 9721, 8821, 8863, 4909, 1201, 1609, 60811, 61231, 41149, 81181, 72169, 16453

Offset

1,1

Comments

Corresponding squares in A171584.

Subsequence of A161853 Primes which are anagrams of squares.

Links

Table of n, a(n) for n=1..43.

Example

n=61, swap 6 and 1 to get 16=4^2
n=211, swap 2 and 1 to get 121=11^2
n=619, swap 6 and 1 to get 169=13^2.

Crossrefs

Cf. A161851, A171584.

Sequence in context: A357780 A259410 A234925 * A038643 A273364 A297731

Adjacent sequences: A171582 A171583 A171584 * A171586 A171587 A171588

Keyword

base,nonn

Author

Zak Seidov, Dec 12 2009

Status

approved