Number of numbers in row n of the array at A243851.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =5a(5) =8a(6) =12a(7) =19a(8) =30a(9) =47a(10) =75a(11) =118a(12) =187a(13) =294a(14) =465a(15) =736a(16) =1160a(17) =1837a(18) =2900a(19) =4586a(20) =7253a(21) =11465a(22) =18132a(23) =28669a(24) =45344a(25) =71715a(26) =113416a(27) =179394a(28) =283737a(29) =448838