Numbers n such that the decimal expansions of both n and n^2 have 2 as smallest digit and 8 as largest digit.
A257368
Numbers n such that the decimal expansions of both n and n^2 have 2 as smallest digit and 8 as largest digit.
Terms
- a(0) =278a(1) =528a(2) =582a(3) =826a(4) =2385a(5) =2585a(6) =2868a(7) =2872a(8) =2875a(9) =2878a(10) =2885a(11) =4782a(12) =4832a(13) =4872a(14) =5278a(15) =5328a(16) =6872a(17) =7238a(18) =7258a(19) =7268a(20) =7582a(21) =8232a(22) =8266a(23) =8275a(24) =8278a(25) =8284a(26) =8522a(27) =8524a(28) =8528a(29) =8628
External references
- oeis: A257368