A171584 Squares such that swapping some pair of digits gives a prime.

16, 121, 169, 196, 289, 361, 784, 961, 1024, 1156, 1369, 1444, 1600, 1681, 1849, 2116, 2209, 2401, 2809, 3025, 3136, 3364, 3481, 3721, 5041, 5329, 6241, 6724, 6889, 7225, 7396, 7921, 8281, 8836, 9409, 10201, 10609, 10816, 11236, 11449, 11881, 12769

Offset

1,1

Comments

Corresponding primes in A171585.

Subsequence of A161851 Squares which are anagrams of prime numbers.

Links

Table of n, a(n) for n=1..42.

Example

n=16, swap 1 and 6 to get 61 prime
n=121, swap 1 and 2 to get 211 prime
n=169, swap 1 and 6 to get 619 prime.

Crossrefs

Cf. A161851, A171585.

Sequence in context: A014732 A135794 A161851 * A017030 A082921 A191902

Adjacent sequences: A171581 A171582 A171583 * A171585 A171586 A171587

Keyword

base,nonn

Author

Zak Seidov, Dec 12 2009

Status

approved