a(n) = smallest composite (odd) number greater than a(n-1) such that a(n)+2n is the first prime after a(n).
A189118
a(n) = smallest composite (odd) number greater than a(n-1) such that a(n)+2n is the first prime after a(n).
Terms
- a(0) =9a(1) =25a(2) =91a(3) =119a(4) =201a(5) =295a(6) =527a(7) =891a(8) =1133a(9) =1341a(10) =1671a(11) =2479a(12) =2973a(13) =4299a(14) =5593a(15) =8469a(16) =9553a(17) =15691a(18) =16145a(19) =19621a(20) =25481a(21) =28233a(22) =31423a(23) =31909a(24) =34073a(25) =35619a(26) =43337a(27) =44295a(28) =89695a(29) =107381
External references
- oeis: A189118