Mathematical works
207 works in 77 series 20710 = 110011112 = 212003
Stairs
Planets perspective
Arrows and ants
Fill with circles
Rose curve
Shoelaces
Ostomachion
Polyiamonds
Elliptic curves
Cosine power
Catenary vs parabola
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Polyominoes
New matches
Triangles in triangles
Feynmans ellips
Sounds on Mars
Matchsticks
Trajectories
Avoiding circles
Gerrymandering
Bended wires
Bracelets with beads