The 20th is 22 septillion plus
There are endless ways to find patterns and links among the integers, and thus there are endless sequences
What is it about sequences and mathematicians, really? You’d be hard-pressed to find a number theorist who isn’t fascinated by sequences of numbers, whether they find one in their research or simply conjure one out of thin air. In fact, we’ve all played this game, growing up: throw out a few numbers and ask, what comes next?