
One Million Members
On Sunday 5 April 2020 the Project Euler membership first exceeded one million members. We would like to present this problem to celebrate that milestone. Thank you to everyone for being a part of Project Euler.
The number 6 can be written as a palindromic sum in exactly eight different ways:
We shall define a twopal to be a palindromic tuple having at least one element with a value of 2. It should also be noted that elements are not restricted to single digits. For example,
If we let
Similarly,
In searching for the answer to the ultimate question of life, the universe, and everything, it can be verified that
However, your challenge to the "ultimatest" question of life, the universe, and everything is to find the least value of