Positions of records in A116488.

Terms

a(0) =1a(1) =9a(2) =27a(3) =45a(4) =90a(5) =180a(6) =270a(7) =360a(8) =540a(9) =1080a(10) =2160a(11) =2700a(12) =4320a(13) =4860a(14) =5400a(15) =8100a(16) =9720a(17) =10800a(18) =16200a(19) =19440a(20) =29160a(21) =32400a(22) =48600a(23) =58320a(24) =64800a(25) =97200a(26) =129600a(27) =162000a(28) =165240a(29) =183600