Scribbles

Advent of code 2021: Day 1
Project Euler #55: Lychrel numbers
Project Euler #54: Poker hands
Project Euler #53: Combinatoric selections
Project Euler #52: Permuted multiples
Project Euler #51: Prime digit replacements
Project Euler #50: Consecutive prime sum
Project Euler #49: Prime permutations
Project Euler #48: Self powers
Project Euler #47: Distinct prime factors
Project Euler #46: Goldbach's other conjecture
Project Euler #45: Triangular, pentagonal, and hexagonal
Project Euler #44: Pentagon numbers
Project Euler #43: Sub-string divisibility
Project Euler #42: Coded triangular numbers
Project Euler #41: Pandigital prime
Project Euler #40: Champernowne's constant
Project Euler #39: Integer right triangles