Triangular numbers composed of digits {4,5,9}.
A119208
Triangular numbers composed of digits {4,5,9}.
Terms
- a(0) =45a(1) =55a(2) =595a(3) =5995a(4) =49455a(5) =55945a(6) =594595a(7) =5559445a(8) =555594445a(9) =9955945495a(10) =55555944445a(11) =95444955595
External references
- oeis: A119208