169456

Appears in sequences

• Alternating sum of the fourth powers of the first n Fibonacci numbers.at n=8A119285
• Totient numbers (A002202) of the form 1 + k + k^2 + k^3 +...+ k^i (i > 1, k > 1).at n=28A282090
• Number of 2Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.at n=9A283951
• Octagonal numbers (A000567) in which parity of digits alternates.at n=24A297647
• Numbers that have exactly 7 representations as a k-gonal number, P(n,k) = n*((k-2)*n - (k-4))/2, k and n >= 3.at n=36A321157