Indices n of primes p(n), p(n+3) such that p(n)+1 and p(n+3)+1 have the same largest prime factor.

Terms

a(0) =29a(1) =53a(2) =92a(3) =126a(4) =204a(5) =281a(6) =333a(7) =489a(8) =573a(9) =816a(10) =1169a(11) =1585a(12) =1885a(13) =13906a(14) =24059a(15) =44421a(16) =48142a(17) =53394a(18) =84043a(19) =474045a(20) =489910a(21) =535841a(22) =2135727a(23) =3095936a(24) =3925702a(25) =4858924a(26) =6618689a(27) =8537111a(28) =58246902a(29) =163424560