What was Pascal's triangle?

Answer 1

Pascal's triangle, is a pattern found in certain numbers when arranged a certain way. This concept can get very complicated because it is based in binomial expansion.

If you can imagine starting at the top with a 1, and building the second row based on adding the adjacent numbers above and keeping the frame as 1s

1

11

121

1331

_____ <- this row would be created by adding 1+3. 3+3, 3+1, with a 1 digit on both sides

When you build a large pyramid more patterns can be found