57432

Appears in sequences

• Number of set-like atomic species of degree n.at n=48A007650
• Number of base 32 circular n-digit numbers with adjacent digits differing by 7 or less.at n=4A125444
• a(n) = 1728*n - 1320.at n=33A157263
• Consider the base-5 Kaprekar map n->K(n) defined in A165032. Sequence gives numbers belonging to cycles, including fixed points.at n=15A165037
• Consider the base-5 Kaprekar map n->K(n) defined in A165032. Sequence gives numbers belonging to cycles of length greater than 1.at n=12A165039
• Arises in enumerating Huffman codes, compact trees, and sums of unit fractions.at n=18A194628