OFFSET
1,1
COMMENTS
See A105100 for definition.
EXAMPLE
The first 3 prime sided prime triangle is
2
3 5
7 11 13
The vertices 2,7,13 add to 22, the first entry.
PROG
(PARI) sumvert3x3(n) = { local(x, j, s); forstep(x=1, n, 6, s = prime(x)+ prime(x+3)+ prime(x+5); print1(s", ") ) }
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Apr 07 2005
STATUS
approved