Numbers k such that prime(k) +- k, prime(k) +- 2k, prime(k) +- 3k and prime(k) +- 4k are all primes.

A113568

Numbers k such that prime(k) +- k, prime(k) +- 2k, prime(k) +- 3k and prime(k) +- 4k are all primes.

Terms

    a(0) =2053380a(1) =794006430a(2) =1659273630a(3) =3621510480a(4) =3725013180a(5) =4361365470a(6) =4993201710a(7) =7311363150a(8) =7865614680a(9) =9934880340a(10) =10608361260a(11) =12818200500a(12) =13499311980a(13) =13940598420a(14) =14241904320a(15) =14463052170a(16) =14601895770a(17) =18668815620a(18) =19102545000a(19) =20336611050a(20) =20706006090a(21) =21322649670a(22) =22595831580

External references