60108

Appears in sequences

• Number of positive integers <= 2^n of form x^2 + y^2.at n=18A000050
• Number of ordered quadruples of integers from [ 1..n ] with no global factor.at n=33A015634
• a(n) = a(1) + a(2) + ... + a(n-1) - a(m), where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = a(2) = 1 and a(3) = 2.at n=18A049889
• Number of spindle configurations of n skew lines.at n=10A110888
• Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.at n=3A205911
• Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.at n=1A205913
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.at n=11A205917
• T(n,k) = number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock having the same number of clockwise edge increases as its horizontal neighbors and the same number of counterclockwise edge increases as its vertical neighbors.at n=13A205917
• Expansion of e.g.f. exp(4*(exp(x) - 1) - 2*x).at n=7A367920