A088908 Numbers expressible as sum or difference of the squares of two distinct primes.

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

Links

Table of n, a(n) for n=1..55.

Example

a(1)=3*3-2*2=5, a(2)=3*3+2*2=13, a(3)=5*5-3*3=16

Crossrefs

Cf. A001481, A062316, A088909.

Sequence in context: A298129 A158334 A282747 * A327638 A092218 A049092

Adjacent sequences: A088905 A088906 A088907 * A088909 A088910 A088911

Keyword

nonn

Author

Hugo Pfoertner, Oct 22 2003

Status

approved