Primes which start a Cunningham chain of length 4 where every entity of the chain is smallest of twin prime.

A236443

Primes which start a Cunningham chain of length 4 where every entity of the chain is smallest of twin prime.

Terms

    a(0) =253679a(1) =1138829a(2) =58680929a(3) =90895769a(4) =124253009a(5) =269877299a(6) =392071679a(7) =613813199a(8) =1014342209a(9) =1277981669a(10) =1413015029a(11) =1453978679a(12) =1753585679a(13) =2919331379a(14) =3424037189a(15) =3538972709a(16) =4025789039a(17) =4175762009a(18) =4362439199a(19) =4843208789a(20) =5708418869a(21) =5795508599

External references