186678

Appears in sequences

• Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,69.at n=18A065702
• Diagonal immediately below the main diagonal of triangle A130521.at n=10A130522
• a(n) = 256*n^2 + 2*n.at n=26A158230
• Number of n X 3 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.at n=12A305484