>>12451934It's the sum of the reciprocals of this beautiful infinite series of finite strokes.
1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 6, 24, 35, 35, 35, 35, 35, 35, 35, 35, 99, 99, 99, 99, 99, 99, 99, 99, 120, 195, 195, 195, 195, 195, 195, 195, 195, 323, 323, 323, 323, 323, 323, 323, 323, 483, 483, 483, 483, 483, 483, 483, 483, 675, 675, 675, 675, 675, 675, 675, 675, 720, 899, 899, 899, 899, 899, 899, 899, 899, ...