308992

Appears in sequences

• Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives numbers belonging to cycles, including fixed points.at n=19A165115
• Consider the base-9 Kaprekar map n->K(n) defined in A165110. Sequence gives numbers belonging to cycles of length greater than 1.at n=17A165117
• Smaller of bi-unitary amicable pair.at n=33A292980
• Number of snake-like polyominoes with the maximum possible number of unit squares in an n X n square.at n=16A331986