Numbers k such that k^2 contains only digits {2,5,8}.
A053926
Numbers k such that k^2 contains only digits {2,5,8}.
Terms
- a(0) =5a(1) =15a(2) =235a(3) =765a(4) =9235a(5) =7632515a(6) =9412135a(7) =14909235a(8) =15891903135a(9) =24142333335a(10) =150086151335a(11) =150274932335a(12) =235695839765
External references
- oeis: A053926