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A167474 Primes p such that (p reversed)+10 is a square. 1
17, 431, 1151, 1979, 6029, 9323, 11321, 13877, 17891, 41597, 45863, 49193, 62639, 66851, 68543, 91151, 99719, 113147, 117413, 132533, 136277, 151631, 153269, 159839, 174491, 178397, 199799, 411101, 419183, 419777, 437543, 451637 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..200

EXAMPLE

17->71+10=9^2; 431->134+10=12^2; 1151->1511+10=39^2; 9323->3239+10=57^2.

MATHEMATICA

Select[Prime[Range[460000]], IntegerQ[Sqrt[FromDigits[Reverse[ IntegerDigits[#]]] + 10]] &](* Vincenzo Librandi, Sep 15 2013 *)

PROG

(MAGMA) [p: p in PrimesInInterval(2, 460000) | IsSquare(q+10) where q is Seqint(Reverse(Intseq(p)))]; // Vincenzo Librandi, Sep 15 2013

CROSSREFS

Sequence in context: A053114 A221443 A222648 * A158063 A301642 A035022

Adjacent sequences:  A167471 A167472 A167473 * A167475 A167476 A167477

KEYWORD

nonn,base,less

AUTHOR

Vincenzo Librandi, Nov 04 2009

STATUS

approved

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Last modified January 24 13:24 EST 2020. Contains 331193 sequences. (Running on oeis4.)