Numbers k such that A065642(k) = A081761(k).

Terms

a(0) =12a(1) =420a(2) =540a(3) =2268a(4) =7020a(5) =10692a(6) =11340a(7) =17640a(8) =24948a(9) =42750a(10) =56700a(11) =87120a(12) =152460a(13) =409500a(14) =413100a(15) =609840a(16) =996072a(17) =2478600a(18) =3822000a(19) =5287500a(20) =9189180a(21) =9447840a(22) =14871600a(23) =20241900a(24) =20567520a(25) =23510592a(26) =23832800a(27) =27766152a(28) =28552500a(29) =39358800