1,2
P. De Geest, Palindromic Quasi_Under_Squares of the form n+(n+1)^2
Cf. A028349.
Sequence in context: A190003 A190789 A071638 * A140776 A108783 A066679
Adjacent sequences: A028345 A028346 A028347 * A028349 A028350 A028351
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)