1952 McGraw-Hill edition of I Led 3 Lives by Herb Philbrick

Here's the SQL factorial:

With Fact (Num, Factorial)

As

(

Select 0 as Num, convert(bigint, 1) as Factorial

Union All

Select Num + 1, convert(bigint, Num + 1) * Factorial from Fact

Where Num + 1 <=...