a(n) is the least prime that is the concatenation of n squares, where the concatenations of the last k of these squares are prime for 2 <= k <= n.

A364369

a(n) is the least prime that is the concatenation of n squares, where the concatenations of the last k of these squares are prime for 2 <= k <= n.

Terms

    a(0) =11a(1) =419a(2) =4919a(3) =181919a(4) =1981919a(5) =49936919a(6) =991981919a(7) =9991981919

External references