Numbers n such that decimal expansion of n^2 has the form D 0 (D+1) for some number D.
A089256
Numbers n such that decimal expansion of n^2 has the form D 0 (D+1) for some number D.
Terms
- a(0) =155a(1) =274a(2) =2191a(3) =104579630a(4) =142857142a(5) =189126664a(6) =195488721a(7) =241758243a(8) =280035755
External references
- oeis: A089256