Primes p followed by two or more 2-pseudoprimes (A001567) before the next prime.

A359490

Primes p followed by two or more 2-pseudoprimes (A001567) before the next prime.

Terms

    a(0) =4363a(1) =13729a(2) =31607a(3) =6973007a(4) =208969199

External references