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
Keywords
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Crossrefs
Cf. A168038.
Programs
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Mathematica
Round[Sqrt[3*Range[0,120]]]^2