Index of the smaller Ulam number of record gaps (A080287).

Terms

a(0) =1a(1) =4a(2) =6a(3) =10a(4) =14a(5) =24a(6) =29a(7) =35a(8) =54a(9) =107a(10) =122a(11) =150a(12) =181a(13) =207a(14) =231a(15) =439a(16) =486a(17) =1509a(18) =2929a(19) =4952a(20) =18857a(21) =69180a(22) =21431879a(23) =24576523a(24) =49395953a(25) =51744075a(26) =71482877a(27) =16614427386a(28) =23647775833