Indices of records in A087666.

Terms

a(0) =6a(1) =7a(2) =8a(3) =17a(4) =40a(5) =151a(6) =877a(7) =6835a(8) =19687a(9) =34502a(10) =46375a(11) =109057a(12) =1315376a(13) =1463921a(14) =33422711a(15) =117091367a(16) =436282342a(17) =542784031a(18) =550371662a(19) =5227148122a(20) =55251647224