Numbers k such that the decimal expansions of both k and k^2 have 5 as the digit with the smallest value and 9 as the digit with the largest value.
A254074
Numbers k such that the decimal expansions of both k and k^2 have 5 as the digit with the smallest value and 9 as the digit with the largest value.
Terms
- a(0) =759576a(1) =97759786a(2) =97957576a(3) =887579686a(4) =987759576a(5) =987859786a(6) =7599859786a(7) =7679576587a(8) =8756697886a(9) =8766958976a(10) =9775989867a(11) =9897756766a(12) =9978965766a(13) =76797588887a(14) =88766997576a(15) =97978858887a(16) =99777685676a(17) =99789658666a(18) =99879856766a(19) =767897685676a(20) =869866586666
External references
- oeis: A254074