Number of patterns of length n with all distinct run-lengths.

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =5a(5) =9a(6) =57a(7) =61a(8) =109a(9) =161a(10) =1265a(11) =1317a(12) =2469a(13) =3577a(14) =5785a(15) =43901a(16) =47165a(17) =86337a(18) =127665a(19) =204853a(20) =284197a(21) =2280089a(22) =2398505a(23) =4469373a(24) =6543453a(25) =10570993a(26) =14601745a(27) =22502549a(28) =159506453a(29) =171281529