Smooth Lyndon words with 5 colors.

Terms

a(0) =1a(1) =5a(2) =4a(3) =11a(4) =26a(5) =71a(6) =173a(7) =450a(8) =1132a(9) =2898a(10) =7393a(11) =18987a(12) =48796a(13) =125963a(14) =325786a(15) =845153a(16) =2197255a(17) =5725849a(18) =14950221a(19) =39110366a(20) =102488189a(21) =269002371a(22) =707090144a(23) =1861183842a(24) =4905157159a(25) =12942843383