A179796 - OEIS

%I #2 Mar 30 2012 17:22:56

%S 50,61,72,78,83,92,94,105,106,107,112,116,120,126,127,129,134,138,145,

%T 146,148,149,152,153,154,160,162,163,164,171,172,176,180,182,183,190,

%U 192,193,194,197,198,199,202,204,206,207,212,214,215,216,218,221,222

%N Numbers of the form abc + abd + acd + bcd, with 0 < a < b < c < d.

%C All numbers greater than 181799 appear to be in this sequence. Complement of A179797.

%H MathOverflow, <a href="http://mathoverflow.net/questions/33411">A generalisation of the equation n = ab + ac + bc</a>

%K nonn

%O 1,1

%A _T. D. Noe_, Aug 02 2010