9. Golden Ratio

+∘÷\n⍴1

Convergents to the golden ratio by continued fractions [43].

   +∘÷\16⍴1
1 2 1.5 1.66667 1.6 1.625 1.61538 1.61905 1.61765 1.61818
      1.61798 1.61806 1.61803 1.61804 1.61803 1.61803

   1 ∧ +∘÷\16⍴1
1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597