Contents

class Integer
  def centered_hexagonal?
    n = self - 1
    n.divides?(6) and (n/6).triangular?
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
numb-0.152.0	lib/numb/centered_hexagonal.rb
numb-0.138.0	lib/numb/centered_hexagonal.rb
numb-0.125.0	lib/numb/centered_hexagonal.rb
numb-0.114.0	lib/numb/centered_hexagonal.rb