97104
domain: N
Appears in sequences
- E.g.f. satisfies: A(x) = x*(tan(tan(A(x)))+1).at n=7A133939
- Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=21A187851
- Area A of the triangles such that A, the sides and one of the altitudes are four consecutive integers of an arithmetic progression d.at n=33A210645
- a(n) is the least positive integer not already in the sequence with the property that the concatenation a(0)a(1)...a(n) forms an integer with n distinct prime factors.at n=12A366896