Numbers n with property that concatenation (2*n+1)//n of the decimals is a square.
A176185
Numbers n with property that concatenation (2*n+1)//n of the decimals is a square.
Terms
- a(0) =29a(1) =76a(2) =2289a(3) =3796a(4) =6369a(5) =8756a(6) =16736a(7) =19696a(8) =24900a(9) =28484a(10) =77529a(11) =83761a(12) =94169a(13) =222889a(14) =887556a(15) =22228889a(16) =88875556a(17) =112594641a(18) =368762025a(19) =651177616
External references
- oeis: A176185