Largest prime factor of n-th term in Look and Say sequence A005150, with a(1)=1.

A355299

Largest prime factor of n-th term in Look and Say sequence A005150, with a(1)=1.

Terms

    a(0) =1a(1) =11a(2) =7a(3) =173a(4) =10111a(5) =312211a(6) =13112221a(7) =2909a(8) =5578070441a(9) =489923144699

External references