2 + 2 sin((3 π)/14)

3.24697960371746706105000976800847962126454946179280421073109887819370730491...

[3; 4, 20, 2, 3, 1, 6, 10, 5, 2, 2, 1, 2, 2, 1, 18, 1, 1, 3, 2, 1, 2, 1, 2, 1, 39, 2, 1, 1, 1, ...]