Triangular numbers that can be represented as a product of two triangular numbers greater than 1, and as a product of three triangular numbers greater than 1.
A295769
Triangular numbers that can be represented as a product of two triangular numbers greater than 1, and as a product of three triangular numbers greater than 1.
Terms
- a(0) =630a(1) =990a(2) =4095a(3) =15400a(4) =19110a(5) =25200a(6) =37128a(7) =61425a(8) =79800a(9) =105570a(10) =122265a(11) =145530a(12) =176715a(13) =192510a(14) =437580a(15) =500500a(16) =749700a(17) =828828a(18) =1185030a(19) =2031120a(20) =2162160a(21) =2821500a(22) =4279275a(23) =4573800a(24) =4744740a(25) =4959675a(26) =5364450a(27) =6053460a(28) =7556328a(29) =8817900
External references
- oeis: A295769