Places n such that the two remainders A187680(n) and A191906(n) are both zero.

Terms

a(0) =6a(1) =28a(2) =120a(3) =270a(4) =496a(5) =672a(6) =924a(7) =1320a(8) =3948a(9) =7980a(10) =8128a(11) =10920a(12) =12690a(13) =15456a(14) =18018a(15) =25296a(16) =27930a(17) =29190a(18) =30240a(19) =30294a(20) =32760a(21) =35640a(22) =52080a(23) =55692a(24) =61770a(25) =69936a(26) =76986a(27) =83160a(28) =83580a(29) =86814