Arrangements and Combinations · Lucas Theorem and the Sierpiński Triangle (Optional)
Lesson 4
Problem. How many odd entries are there in row \(2025\) of Pascal's triangle? (Remember that rows are numbered starting from \(0\).)
2 points
Arrangements and Combinations · Lucas Theorem and the Sierpiński Triangle (Optional)
Problem. How many odd entries are there in row \(2025\) of Pascal's triangle? (Remember that rows are numbered starting from \(0\).)