A359011 Numbers k such that k^2 + the reversal of k^2 is a square.

0, 231, 9426681, 8803095102, 56017891104, 4811618419542

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Crossrefs

Cf. A056964, A061230.

Sequence in context: A225997 A172898 A172908 * A172935 A319306 A280538

Adjacent sequences: A359008 A359009 A359010 * A359012 A359013 A359014

Keyword

nonn,base,hard,more

Author

Michel Marcus, Dec 11 2022

Extensions

a(1)-a(5) from Douglas McNeil and Zak Seidov, Nov 09 2010

a(6) from Giovanni Resta, Sep 26 2011

Status

approved