A168469 Numbers of the form p^2 - q^2, p, q primes, p > q, with repetitions.

5, 16, 21, 24, 40, 45, 48, 72, 72, 96, 112, 117, 120, 120, 120, 144, 160, 165, 168, 168, 168, 192, 240, 240, 240, 240, 264, 280, 285, 288, 312, 312, 312, 336, 352, 357, 360, 360, 408, 408, 408, 432, 432, 480, 480, 480, 504, 520, 525, 528, 528, 552, 552, 552

Offset: 1

Author

Zak Seidov, Nov 26 2009

Keywords

• nonn

Crossrefs

Cf. A124865 Numbers of the form p^2 - q^2, p, q primes, p > q.

Programs

Mathematica

Take[Sort[Last[#]^2-First[#]^2&/@Subsets[Prime[Range[40]],{2}]],60] (* Harvey P. Dale, Jul 22 2012 *)