Binomial Expansion Filters
Explore patterns in the Binomial Expansion
Self-Describing
A self-describing sequence built as a branching tree.
Units mod m
Multiply mod m and inspect the group of units
Triple products mod m
Multiply three numbers mod m and explore the cube of remainders
Odious Numbers
Explore the pattern of numbers with an odd number of 1s in binary
Choose
Pick a cell and explore its subsets
Difference Sequence
Take successive differences
Modular Fibonacci
Hear Fibonacci remainders as music
Two-Button Calculator
Explore functions with two buttons
Hailstone Arabesque
Draw one number's Hailstone path as arcs weaving along a line, circle, or spiral, with overlaps shaded by parity