Discrete Mathematics
# Discrete Mathematics Warmups

What is the next number in this sequence? (There are no hidden cubes.)

\[0, 1, 3, 6, 10, 15...\]

How many corners does a *hypercube* (a 4-dimensional cube) have?

How many line-segments are there in the 4th image of this growing tree sequence?

What is the sum of the first 13 positive odd numbers?

\(1, 1, 2, 3, 5, 8, 13, 21, 34... \)

How big is the 10th square added to the spiral?

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