Månens overflade jordskælv kaldenavn numberphile t shirt tryk Undvigende lige
A Number Sequence with Everything - Numberphile - YouTube
Numberphile - An official Numberphile T-Shirt!!!! (prototype test during this morning's dog walk) You can get one here: http://bit.ly/T-Shirt-BN | فيسبوك
Numberphile - Just got my Graham's Number T-Shirt in the post... very cool... http://store.dftba.com/products/grahams-number-shirt Xmas came early! | Facebook