Partitions Congruences Premium 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). This classic unisex jersey short sleeve tee fits like a well-loved favorite. Soft cotton and quality print. These t-shirts have-ribbed knit collars to bolster shaping. The shoulders are tapered for a better fit over time. Dual side seams hold the garment's shape for longer. .: Made with 100% Airlume combed and ring-spun cotton, a lightweight fabric (4.2 oz/yd² (142 g/m²)) that is easy to layer, breathable. Perfect for active and leisure wear. .: The retail fit that is