Sequences

So, we're studying Series and Sequences in mathematics right now.

Wow, so confusing! :O And it'll just get more and more abstract as the years go on :(

Today's wonderful piece is Light into Dark by dementeddiva23

Hauntingly beautiful. There's a simplicity to this image, an innocence, I can't find the words for it :D
For some reason, reminds me of Portal 2!