Seminars & Colloquia Calendar
Lovely New Problems From the Past Months
Neil Sloane, The OEIS Foundation and Rutgers University
Date & time: Thursday, 09 September 2021 at 5:00PM - 6:00PM
Abstract: Tired of the sequence [Covid, drought, fires, floods, war, repeat]? Then come and hear about the astonishing Inventory Sequence 0; 1, 1, 0; 2, 2, 2, 0; ...; a new counting problem based on the complete graph; the Stepping Stones puzzle; Problem of the Week 1321; the Ennesrem primes; Gerrymandering; Vicious Watermelons; and other highlights from the past few months of the OEIS.
password: The 20th Catalan number, alias (40)!/(20!*21!), alias 6564120420