🌉 Recamán's Sequence - 3D Arch Bridge Sculpture

Recamán's sequence as a gallery sculpture: every term becomes a stone arch above or below a number-line deck, with milestone posts, brass studs on visited integers, live growth and coverage graphs, step-rule variants and optional sound.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install