Second prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.
A238674
Second prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.
Terms
- a(0) =5a(1) =31a(2) =47a(3) =41a(4) =331a(5) =523a(6) =293a(7) =277a(8) =191a(9) =197a(10) =2389a(11) =877a(12) =811a(13) =4111a(14) =587a(15) =2609a(16) =5437a(17) =1481a(18) =6673a(19) =1483a(20) =12809a(21) =1907a(22) =5689a(23) =13331a(24) =3677a(25) =25939a(26) =4457a(27) =3593a(28) =162973a(29) =6089
External references
- oeis: A238674