Hexanacci numbers with a(0) = ... = a(5) = 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =6a(7) =11a(8) =21a(9) =41a(10) =81a(11) =161a(12) =321a(13) =636a(14) =1261a(15) =2501a(16) =4961a(17) =9841a(18) =19521a(19) =38721a(20) =76806a(21) =152351a(22) =302201a(23) =599441a(24) =1189041a(25) =2358561a(26) =4678401a(27) =9279996a(28) =18407641a(29) =36513081