Primes in the concatenation of consecutive prime-sided isosceles triangles.

A097447

Primes in the concatenation of consecutive prime-sided isosceles triangles.

Terms

    a(0) =233a(1) =577a(2) =192323a(3) =798383a(4) =109113113a(5) =113127127a(6) =127131131a(7) =149151151a(8) =181191191a(9) =197199199a(10) =223227227a(11) =239241241a(12) =241251251a(13) =337347347a(14) =431433433a(15) =461463463a(16) =479487487a(17) =491499499a(18) =641643643a(19) =643647647a(20) =683691691a(21) =709719719

External references