Primes starting and ending respectively with 23 and 57, and with either no space or only 0's in between.

A160403

Primes starting and ending respectively with 23 and 57, and with either no space or only 0's in between.

Terms

    a(0) =2357a(1) =23057a(2) =2300057a(3) =230000000057

External references