What is a numeric or non numeric sequence?

In itself, this should not pose a problem. However, you may not be able to process them as numbers.

Numberic data are numbers (like age, cost, etc.), while non-numeric data are not numbers (like name, address, etc.).

A few examples will help explain that term: These are numerical answers: 42.9 4 pi log(18) 7/8 93 million These are not numerical answers: Argentina Indigenous tribes x2 the equator Monroe Doctrine

14, 19, 29, 44, 64, etc.14 + (5 x 1) = 1919 + (5 x 2) = 2929 + (5 x 3) = 4444 + (5 x 4) = 64

Yes. The eye colour of a classroom of children will have a mode that is a colour, not a number. Their favourite food won't be a number either.