Partition Function Unisex Tee
A partition of a natural number is a way of writing it as a sum of natural numbers. The partition function P counts the number of distinct (unordered) partitions of its argument. Much work has been done on studying P, including finding a (quite complicated) convergent series representation that can be approximated by the formula on the shirt. The partition function is closely related to pentagonal numbers. Produced and delivered within 2-3 business days with express delivery option (US only - navy and black colors only). The unisex heavy cotton tee is the basic staple of any wardrobe. The specially spun fibers provide a smooth surface for premium printing vividity and sharpness. No side seams mean there are no itchy interruptions under the arms. The shoulders have tape for improved durability. .: Made with medium fabric (5.3 oz/yd² (180 g/m²)) consisting of 100% cotton for year-round comfort that is sustainable and highly durable. .: The classic fit of this shirt ensures a comfy, relax