Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+8.
A116343
Numbers k such that k*(k+1) gives the concatenation of two numbers m and m+8.
Terms
- a(0) =14a(1) =86a(2) =76983a(3) =714690a(4) =952314a(5) =90438191a(6) =96320544
External references
- oeis: A116343