Smallest k such that (10^n+k, 10^n+k+2) and (10^(n+1)+k, 10^(n+1)+k+2) are two pairs of twin primes with k(n+1) > k(n).
A224846
Smallest k such that (10^n+k, 10^n+k+2) and (10^(n+1)+k, 10^(n+1)+k+2) are two pairs of twin primes with k(n+1) > k(n).
Terms
- a(0) =1a(1) =49a(2) =91a(3) =1117a(4) =2929a(5) =3001a(6) =4831a(7) =37237a(8) =43897a(9) =54409a(10) =55669a(11) =81931a(12) =89809a(13) =194971a(14) =271159a(15) =556651a(16) =628069a(17) =639247a(18) =1036447a(19) =1615597a(20) =2075407a(21) =2086447a(22) =2414077a(23) =3331009a(24) =3442789a(25) =4088539a(26) =4178311a(27) =4330681a(28) =5834869a(29) =6846649
External references
- oeis: A224846