Triangular numbers composed of digits {0,7,8}.
A119093
Triangular numbers composed of digits {0,7,8}.
Terms
- a(0) =78a(1) =780a(2) =8778a(3) =887778a(4) =88877778a(5) =870800778a(6) =7007800078a(7) =8008780080a(8) =8888777778a(9) =770800800078a(10) =888887777778
External references
- oeis: A119093