Length of n-th string generated by a Kolakoski(7,1) rule starting with a(1)=1.

Terms

a(0) =1a(1) =1a(2) =7a(3) =7a(4) =31a(5) =49a(6) =145a(7) =289a(8) =727a(9) =1591a(10) =3775a(11) =8545a(12) =19873a(13) =45505a(14) =105127a(15) =241639a(16) =557023a(17) =1281937a(18) =2953009a(19) =6798817a(20) =15657847a(21) =36054295a(22) =83027839a(23) =191190721a(24) =440274241a(25) =1013846401a(26) =2334669127a(27) =5376208327a(28) =12380215711a(29) =28508840689