Numbers n that yield a new record for k such that n*k+1 and n*k-1 are twin primes.
A220143
Numbers n that yield a new record for k such that n*k+1 and n*k-1 are twin primes.
Terms
- a(0) =1a(1) =5a(2) =8a(3) =11a(4) =13a(5) =31a(6) =37a(7) =53a(8) =61a(9) =433a(10) =1957a(11) =2047a(12) =2603a(13) =4079a(14) =9967a(15) =10789a(16) =76943a(17) =81439a(18) =121763a(19) =206867a(20) =233969a(21) =276349a(22) =495931a(23) =626939a(24) =2055943a(25) =3144937a(26) =3585509a(27) =3810949a(28) =6274823a(29) =8407129
External references
- oeis: A220143