177173

Properties

Appears in sequences

• a(n) = 10 + floor( (1 + Sum_{j=1..n-1} a(j) )/3 ).at n=34A120155
• a(n) = smallest number that leads to a new cycle under the base-3 Kaprekar map of A164993.at n=18A165009
• Primes of the form 3^k + 3^m - 1, where k and m are positive integers.at n=25A234346
• Primes of the form m = 3^i + 3^j - 1, where i > j >= 0.at n=21A239713
• Primes of the form 3^k + 26.at n=6A243439
• Prime numbersat n=16099