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

1,2

Links

Table of n, a(n) for n=1..46.

Formula

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

Crossrefs

Cf. A053990, A054731.

Sequence in context: A327947 A288639 A280097 * A174906 A029613 A083541

Adjacent sequences: A054731 A054732 A054733 * A054735 A054736 A054737

Keyword

nonn,easy

Author

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

Extensions

More terms from James A. Sellers, Apr 22 2000

Status

approved