mcallisterjp

70

That's the number of all directed graphs, some of which certainly have cycles.

370

Surveyed. Looking forward to the data and analysis, as per every year.

90

That's not how Big O notation works: O(100,000) = O(1).

You presumably mean "in the order of 100,000", which is sometimes written "~100,000".

In type theory and some fields of logic, 2 is usually defined as (λf.λx.f (f x)); essentially, the concept of doing something twice.