A330096 a(n) = (16/3) * squared area of a triangle with sides prime(n), prime(n+1), and prime(n+2).

0, 225, 897, 7905, 27265, 61985, 134225, 253825, 537425, 1015105, 1613745, 2587585, 3562545, 4925921, 7485985, 10837585, 14816945, 18923905, 24289265, 30135105, 37040465, 48281105, 63033425, 82430705, 100968945, 115087105, 127426145, 144189185

Offset: 1

Author

Hugo Pfoertner, Dec 01 2019

Keywords

• nonn
• easy

Links

• Hugo Pfoertner, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A096377.

Programs

PARI

squaredarea(a,b,c)={my(s=(a+b+c)/2);s*(s-a)*(s-b)*(s-c)};
for(n=1,28,print1((16/3)*squaredarea(prime(n),prime(n+1),prime(n+2)),", "))