bimagic square
trimagic square
multimagic square
alphamagic square
geomagic square
prime reciprocal magic square
pandiagonal magic square
magic constant
magic cube
Ulam spiral
broken diagonal
Kepler's third law
harmonic law
Möbius function
automorphic number
chessboard
checker
mucube
Riemann sphere
triangle
most-perfect magic square
sexy prime
non-hypotenuse number
light
polynomial algebra
floor function
nurikabe
superring
infinity
Greco-Latin square
kakuro
conjugate
perfect square
complex plane
algebraic integer
regular hexahedron
cube
rank
radix
eigenvalue
real number line
root mean square
characteristic root of a square matrix
eigenvalue of a square matrix
eigenvalue of a matrix
square root
complexification
prime
numeral
extended real number system
cube root
p-adic ordinal
hypercomplex number
interval
cousin prime
Arabic numeral
lemniscate
supercube
Lagrange's interpolation formula
Hindu numeral
Hindu-Arabic numeral
Dirichlet series
residue class
simplicial complex
number
ceiling function
real number
algebra
checkwork
posynomial
span
prime number theorem
sedenion