Triangular numbers composed of digits {0,2,5}.

A119051

Triangular numbers composed of digits {0,2,5}.

Terms

    a(0) =55a(1) =5050a(2) =25200a(3) =255255a(4) =500500a(5) =50005000a(6) =525220255a(7) =2250500505a(8) =5000050000a(9) =22052205055a(10) =500000500000a(11) =520022025225

External references