57333

Appears in sequences

• Descending dungeons: for definition see Comments lines.at n=19A121295
• Consider the base-4 Kaprekar map n->K(n) defined in A165012. Sequence gives numbers belonging to cycles, including fixed points.at n=14A165017
• Consider the base-4 Kaprekar map n->K(n) defined in A165012. Sequence gives numbers belonging to cycles of length greater than 1.at n=6A165019
• G.f.: exp( Sum_{n>=1} A051064(n)*3^A051064(n)*x^n/n ) where A051064(n) equals the 3-adic valuation of 3n.at n=24A183038
• Numbers k such that (23*10^k - 59)/9 is prime.at n=21A283503