The first difference is the 8th term: it is 21 for the Fibonacci sequence and 39 for Iccanobif.

Magic Squares: A touch of mysticism and a lot of brain-challenging fun! By Marcel Danesi, Ph.D. in Brain Workout One of the most fascinating number games of all time is the magic square. In its ...

Given Lagrange’s result, number theorists asked whether there are other such expressions, called quadratic forms, that also represent all positive integers. In 1916, Indian mathematician ...

What cubes do that squares don’t The fraction of integers able to be expressed as the sum of two rational cubes is well over 0% ...

This year is a big one for the math nerds out there — and for many, a once-in-a-lifetime occasion. That’s because 2025 is a “perfect square,” a number that’s the product of a squared ...

There are over 800 possible arrangements of the first 16 integers in a magic square pattern. One of the most extraordinary of all magic squares was the order 8 magic square devised by Benjamin ...