A168039 Squares closest to 3*n.

0, 4, 4, 9, 9, 16, 16, 25, 25, 25, 25, 36, 36, 36, 36, 49, 49, 49, 49, 64, 64, 64, 64, 64, 64, 81, 81, 81, 81, 81, 81, 100, 100, 100, 100, 100, 100, 121, 121, 121, 121, 121, 121, 121, 121, 144, 144, 144, 144, 144, 144, 144, 144, 169, 169, 169, 169, 169, 169, 169, 169

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Round[Sqrt[3*Range[0, 120]]]^2

Crossrefs

Cf. A168038.

Sequence in context: A065730 A246934 A206919 * A145445 A008794 A075709

Adjacent sequences: A168036 A168037 A168038 * A168040 A168041 A168042

Keyword

nonn

Author

Zak Seidov, Nov 17 2009

Status

approved