A180407 Primes from sequence A091367 whose reverse is still a prime.

113, 131, 179, 191, 199, 311, 313, 337, 353, 373, 733, 739, 797, 919, 937, 971, 991, 1031, 1033, 1091, 1097, 1103, 1109, 1181, 1301, 1439, 1471, 1499, 1741, 1811, 1901, 1949, 3011, 3169, 3301, 3343, 3347, 3389, 3433, 3583, 3853, 7187, 7433, 7457, 7547

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Example

a(5)=199 since 1^2+9^2+9^2=1+81+81=163 is a prime and reverse(199)=911 has the same property.

Crossrefs

Cf. A091367

Sequence in context: A355856 A180441 A378415 * A163760 A179911 A376213

Adjacent sequences: A180404 A180405 A180406 * A180408 A180409 A180410

Keyword

nonn,base

Author

Carmine Suriano, Sep 02 2010

Status

approved