872051

Appears in sequences

• a(n) = 6*a(n-5) - a(n-10) + 98 with a(0)=0, a(1)=11, a(2)=35, a(3)=56, a(4)=104, a(5)=147, a(6)=204, a(7)=336, a(8)=455, a(9)=731.at n=29A118554
• Semiprimes that are (perimeter^2 - hypotenuse^2) of a Pythagorean triple.at n=17A389589