User:Marc van Leeuwen/todo


 * Add to Permutation a section about permuting elements
 * Complete work on Robinson–Schensted correspondence
 * Young's lattice
 * Berlekamp's algorithm
 * Factorization of polynomials over a finite field and irreducibility tests
 * Restore but simplify lead in hyperplane
 * Sanitize description Recursion
 * Closed-form expression intro
 * Lehmer code correction