Rows: 30
Gap: 1px
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Base-N Patterns
Base 2
Base 3
Base 4
Base 5
Base 6
Base 7
Base 8
Base 9
Base 10
Odd Sum
Even Sum
Palindrome
Divisibility
÷2
÷3
÷5
÷7
÷
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Figurate
Triangular
Square
Tetrahedral
Pentagonal
Hexagonal
Pronic
Relationships
Sum 2 Sq
Diff 2 Sq
Practical
Divisor Props
Squarefree
Cubefree
Perfect
Abundant
Deficient
Binary / Decimal
2^n
Mersenne
Harshad
Happy
Repdigit
Primes
-- None --
Prime
Composite
Semiprime
Prime Power
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