Numbers k such that prime(k) +/- k and prime(k) +/- 2k are all primes.

Terms

a(0) =720a(1) =1920a(2) =5580a(3) =14370a(4) =17160a(5) =21090a(6) =26040a(7) =28560a(8) =38280a(9) =43680a(10) =43890a(11) =50730a(12) =60090a(13) =77850a(14) =100800a(15) =104760a(16) =120060a(17) =125190a(18) =155100a(19) =167850a(20) =171780a(21) =193260a(22) =202470a(23) =206460a(24) =211860a(25) =217830a(26) =221880a(27) =224070a(28) =249900a(29) =249990