A054734 Numbers of the form 2*x*(x + 1)*y*(y + 1) where x and y are distinct.

0, 24, 48, 80, 120, 144, 168, 224, 240, 288, 360, 440, 480, 504, 528, 624, 672, 720, 728, 840, 864, 960, 1008, 1080, 1088, 1200, 1224, 1320, 1344, 1368, 1520, 1584, 1680, 1728, 1848, 1872, 2024, 2160, 2184, 2208, 2240, 2400, 2520, 2600, 2640, 2808

Offset: 1

Author

Stuart M. Ellerstein (ellerstein(AT)aol.com), Apr 22 2000

Keywords

• nonn
• easy

Crossrefs

Cf. A053990, A054731.

Formula

a(n) = 2 * A053990(n). - Sean A. Irvine, Feb 20 2022

Extensions

More terms from James Sellers, Apr 22 2000