This sequence is constructed using only the four single-digit primes 2,3,5,7 in that order.

A098739

This sequence is constructed using only the four single-digit primes 2,3,5,7 in that order.

Terms

    a(0) =2a(1) =23a(2) =235a(3) =2357a(4) =23572a(5) =235723a(6) =2357235a(7) =23572357a(8) =235723572a(9) =2357235723a(10) =23572357235a(11) =235723572357

External references