Hexagonal numbers that are products of smaller hexagonal numbers.

Terms

a(0) =1a(1) =2850a(2) =61776a(3) =79800a(4) =103740a(5) =145530a(6) =437580a(7) =719400a(8) =810901a(9) =828828a(10) =1050525a(11) =1185030a(12) =1788886a(13) =2031120a(14) =2162160a(15) =2821500a(16) =4250070a(17) =4959675a(18) =9217071a(19) =12298320a(20) =12457536a(21) =16356340a(22) =22899528a(23) =23334696a(24) =24890040a(25) =30728880a(26) =32800950a(27) =45158256a(28) =48565440a(29) =58487520