200222

Appears in sequences

• Cubes written in base 3.at n=7A004633
• Powers of 2 written in base 3.at n=9A004642
• 3-smooth numbers in ternary representation.at n=33A131096
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 8 and 9.at n=53A136909
• Numbers whose decimal expansion contains only 0's and 2's.at n=39A169965
• For all n's, the set including the terms {a(1), a(2), a(3), ..., a(n)} has a prime number of digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.at n=41A282868