{2,1 | {2,1 | 1,2},3,1}

{2,1 | {2,1 | 1,2},3,1} can be discovered in Concepts, categorized under Math, Set Theory, Notation. This is mathematical notation rather than a single concept.

It has been discovered by 1 board and crafted 1 time, first appearing 14 hours ago. {2,1 | {2,1 | 1,2},3,1} can be created from 1 recipe, and goes on to appear as an ingredient in 4 others.

{2,1 | {2,1 | 1,2},3,1} was first discovered by Hello5184's board 14 hours ago. They also hold the lowest-complexity recipe, at 142.

Related concepts worth exploring include Recursion, Delta squared, Hexagon, Oval, Triangle, Hexadecimal, and 6 more.