I pasted it wrong blush

And, Thankyou that seems as clear as can be, when I get my head screwed on straight I will have a better read through your fine insights of the workings.

I will be trying include your sequence in my quirky collection of random helpers for Javascript, illustrated here. http://strainer.github.io/Fdrandom.js/

And will be sure to attribute you and message when I get it in.