2916000

Appears in sequences

• Arithmetic progression of at least 5 terms having the same value of phi start at these numbers.at n=18A050515
• An arithmetic progression of at least 6 terms having the same value of phi starts at these numbers.at n=4A050518
• Irregular triangular array read by rows: T(n,k) is the number of compatible pairs (f,g) of functions from [n] into [n] such that the integer partition induced by f and g is the k-th partition in the canonical (reverse lexicographic) ordering of the partitions, n>=0, 1<=k<=A000041(n).at n=27A390121