For p = the n-th prime, a(n) = the least prime q greater than p+2 such that (p^2+q^2)/2 - 1 is a square, or a(n) = 0 if there is no such prime.
A130177
For p = the n-th prime, a(n) = the least prime q greater than p+2 such that (p^2+q^2)/2 - 1 is a square, or a(n) = 0 if there is no such prime.
Terms
- a(0) =0a(1) =11a(2) =263a(3) =59a(4) =23a(5) =101a(6) =109a(8) =151a(9) =193a(10) =79a(11) =269a(12) =277a(13) =311a(14) =0a(15) =179a(16) =83a(17) =83003a(18) =479a(19) =487a(20) =181a(21) =563a(22) =571a(23) =613a(24) =1201a(25) =157a(26) =141509a(27) =739a(28) =773a(29) =479a(30) =6858037981
External references
- oeis: A130177