A167475 Primes p such that (p reversed)-10 is a square.

11, 19, 41, 47, 53, 131, 173, 179, 433, 937, 971, 1373, 4583, 4733, 5303, 5309, 6047, 6229, 6491, 6607, 9901, 15641, 15661, 15877, 17327, 17987, 19463, 19891, 43133, 43597, 49277, 49613, 49937, 53231, 53281, 53299, 53657, 60689, 62483, 62801, 66431, 68351, 68903

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..440

Example

41 is in the sequence because 14-10=2^2.
53 is in the sequence because 35-10=5^2.

Mathematica

Select[Prime[Range[15000]], IntegerQ[Sqrt[FromDigits[Reverse[ IntegerDigits[#]]] - 10]]&] (* Harvey P. Dale, Mar 25 2011 *)

Prog

(Magma) [p: p in PrimesInInterval(11, 70000) | IsSquare(q-10) where q is Seqint(Reverse(Intseq(p)))]; // Vincenzo Librandi, Sep 15 2013

Crossrefs

Sequence in context: A271779 A271840 A076853 * A136026 A033201 A154386

Adjacent sequences: A167472 A167473 A167474 * A167476 A167477 A167478

Keyword

nonn,base

Author

Vincenzo Librandi, Nov 04 2009

Extensions

Added keywords base by R. J. Mathar, Nov 08 2009

Status

approved