54972

Appears in sequences

• The number phi_3(n) of Frobenius partitions that allow up to 3 repetitions of an integer in a row.at n=28A053992
• Smallest k such that k*i^2 + 1 is prime for i = 1 to n.at n=7A089761
• Related to enumeration of rooted catapolyoctagons (see Cyvin reference for precise definition).at n=6A121115
• Number of ways to place 6 nonattacking knights on an n X n toroidal board.at n=5A172533
• Number of right triangles on a (n+1)X7 grid.at n=28A189811
• Number of perfect-powers x in the range 2^n <= x < 2^(n+1).at n=34A377435