Numbers n such that n^2-9 is divisible by consecutive primes beginning with 2.
A217277
Numbers n such that n^2-9 is divisible by consecutive primes beginning with 2.
Terms
- a(0) =5a(1) =9a(2) =15a(3) =21a(4) =27a(5) =33a(6) =51a(7) =57a(8) =87a(9) =93a(10) =123a(11) =147a(12) =213a(13) =297a(14) =333a(15) =483a(16) =753a(17) =1053a(18) =1347a(19) =2307a(20) =2643a(21) =3237a(22) =4287a(23) =6003a(24) =10293a(25) =12477a(26) =14403a(27) =18147a(28) =26247a(29) =58803
External references
- oeis: A217277