47829689

Properties

Appears in sequences

• Start with 1 and 5, then repeatedly adjoin the smallest number that is greater than the last term and not equal to the sum of a subset of the existing terms.at n=31A188793
• a(n) = 10*3^n - 1.at n=14A198645
• a(n) = 10*9^n-1.at n=7A198967
• Primes of the form m = 9^i + 9^j - 1, where i > j >= 0.at n=9A239719
• Prime numbersat n=2878533