Indices of consecutive maxima in A214123.

Terms

a(0) =2a(1) =5a(2) =8a(3) =17a(4) =20a(5) =60a(6) =160a(7) =228a(8) =318a(9) =362a(10) =522a(11) =1638a(12) =1692a(13) =1998a(14) =2054a(15) =3834a(16) =5208a(17) =21210a(18) =62810a(19) =152352a(20) =170168a(21) =424784