Positions of records in A355770.

Terms

a(0) =1a(1) =3a(2) =9a(3) =15a(4) =45a(5) =105a(6) =195a(7) =315a(8) =900a(9) =1575a(10) =2100a(11) =3900a(12) =6300a(13) =18900a(14) =25200a(15) =27300a(16) =31500a(17) =44100a(18) =81900a(19) =220500a(20) =245700a(21) =333900a(22) =409500a(23) =491400a(24) =573300a(25) =600600a(26) =1201200a(27) =2402400a(28) =3603600a(29) =4804800