220111

Appears in sequences

• Number of positions that are exactly n moves from the starting position in the Pyraminx puzzle.at n=7A079744
• Ternary numbers consisting of a run of 2's, then a run of 0's, then a run of 1's.at n=16A371057
• Ternary numbers that are concatenated runs C(1)B(1)A(1)C(2)B(2)A(2)...C(k)B(k)A(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k.at n=17A371109