

A072383


Primes which can be represented as the sum of a square and its reverse.


0



2, 101, 887, 1151, 32423, 33623, 36263, 38873, 72617, 73037, 78887, 79697, 82727, 87977, 94049, 96059, 96269, 99689, 112031, 114641, 117281, 119291, 122921, 126761, 136463, 178697, 1186811, 1239311, 1374731, 1537241, 1604951, 1615151
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..32.


EXAMPLE

887 is a term because it is prime and it is the sum of square 196 and its reverse 691.


MATHEMATICA

With[{nn=40}, Take[Union[Select[Table[n^2+FromDigits[Reverse[ IntegerDigits[ n^2]]], {n, 100nn}], PrimeQ]], nn]] (* Harvey P. Dale, Mar 01 2015 *)


CROSSREFS

Sequence in context: A088272 A125819 A179998 * A222449 A035325 A028989
Adjacent sequences: A072380 A072381 A072382 * A072384 A072385 A072386


KEYWORD

base,nonn,changed


AUTHOR

Shyam Sunder Gupta, Jul 20 2002


STATUS

approved



