Code:

reject(

fn!isnull,

a!forEach(

items: enumerate(100) + 1,

expression: { if(mod(fv!item, 13) = 0, fv!item, null()) }

)

)

This expression returns all numbers divisible by 13 between 1 and 100 by:

Output:

{13, 26, 39, 52, 65, 78, 91}