Similar to シングマスター予想

Ackermann function

Hadamard matrix

Small set (combinatorics)

Sumset

Pentagonal number theorem

Catalan's constant

Q-analog

Kneser's theorem (combinatorics)

Sicherman dice

Stirling number

Annales de Gergonne

P-adic Teichmüller theory

RSA (cryptosystem)

Vieta jumping

Witch of Agnesi

Abelian group

Category of abelian groups

Abelian category

Abelian variety

Abel's theorem

Abel equation

Abel–Jacobi map

Abel–Ruffini theorem

Eisenstein series

Eisenstein integer

Iverson bracket