<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">From the American Math Society:<div><span style="color: rgb(20, 24, 35); font-family: Helvetica, Arial, 'lucida grande', tahoma, verdana, arial, sans-serif; font-size: 14px; line-height: 19px; background-color: rgb(255, 255, 255);">It's National Punctuation Day (at least in the U,S,)! To honor the occasion, for positive integers n, let n? = 1 + 2 + ... + n. What is 3???? (Hint: < 1000)</span></div></body></html>