login
A088908
Numbers expressible as sum or difference of the squares of two distinct primes.
2
5, 13, 16, 21, 24, 29, 34, 40, 45, 48, 53, 58, 72, 74, 96, 112, 117, 120, 125, 130, 144, 146, 160, 165, 168, 170, 173, 178, 192, 194, 218, 240, 264, 280, 285, 288, 290, 293, 298, 312, 314, 336, 338, 352, 357, 360, 365, 370, 386, 408, 410, 432, 458, 480, 482
OFFSET
1,1
EXAMPLE
a(1)=3*3-2*2=5, a(2)=3*3+2*2=13, a(3)=5*5-3*3=16
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Oct 22 2003
STATUS
approved