Numbers n such that there are no primes < 2n in the sequence m(0)=n, m(k+1)=m(k)+4k.
A099468
Numbers n such that there are no primes < 2n in the sequence m(0)=n, m(k+1)=m(k)+4k.
Terms
- a(0) =1a(1) =21a(2) =45a(3) =51a(4) =81a(5) =213a(6) =249a(7) =315a(8) =477a(9) =525a(10) =681a(11) =891a(12) =1143a(13) =1221a(14) =1851a(15) =1965a(16) =2415a(17) =5133
External references
- oeis: A099468