1,2
P. De Geest, Palindromic Quasipronics of the form n(n+x)
Sequence in context: A185253 A192089 A119073 * A163699 A062184 A119214
Adjacent sequences: A028556 A028557 A028558 * A028560 A028561 A028562
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)