[6, 9, 12, 15, 18, 21]

[6, 9, 12, 15, 18, 21] can be discovered in Concepts, categorized under Mathematics, Sequence, Arithmetic. An arithmetic sequence of numbers each increasing by 3 starting from 6.

It has been discovered by 1 board and crafted 1 time, first appearing 1 hour ago. [6, 9, 12, 15, 18, 21] can be created from 1 recipe, and goes on to appear as an ingredient in 1 other.

[6, 9, 12, 15, 18, 21] was first discovered by Hello5184's board 1 hour ago. They also hold the lowest-complexity recipe, at 116.

Related concepts worth exploring include Infinity, Delta, Binary System, Fractal, Sphere, Double, and 6 more.