|
|
A330096
|
|
a(n) = (16/3) * squared area of a triangle with sides prime(n), prime(n+1), and prime(n+2).
|
|
6
|
|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
PROG
|
(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)), ", "))
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|