65672

Appears in sequences

• a(n) = (2^(n+1) + n^2 + n)/2.at n=16A132109
• Number of length n binary words that contain an even number of 0's or exactly two 1's.at n=17A236291
• Fibonacci-Zumkeller numbers: a(n)=n if n<=3, otherwise the smallest number >= a(n-2) + a(n-1) having at least one common factor with a(n-2), but none with a(n-1).at n=21A249357
• Number of nX4 0..1 arrays with every element equal to 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=10A301995
• Number of nX4 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=13A305093
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(4^(k-1)).at n=8A344248