Open Problems Add comments Number theory Euler: For any positive integer \(n\), \(8n+3\) can be represented as a sum \[8n+3=(2k-1)^2+2p,\]where \(k\) is a positive integer, and \(p\) is a prime. Leave a Reply Cancel reply Your Comment Name (required) E-mail (required) URI Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.