Number of factors in the infinite word formed by the Kolakoski sequence A000002.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =10a(5) =14a(6) =18a(7) =26a(8) =34a(9) =42a(10) =50a(11) =62a(12) =78a(13) =94a(14) =110a(15) =126a(16) =142a(17) =162a(18) =186a(19) =218a(20) =250a(21) =282a(22) =314a(23) =346a(24) =378a(25) =410a(26) =446a(27) =486a(28) =534a(29) =590