156416

Appears in sequences

• Number of partitions of 2n in which no parts are multiples of 4.at n=29A081055
• Number of open knight's tour diagrams of a 3 X n chessboard that have "type B": the endpoints occur in different columns and disagree in color with the cells in the nearest corner.at n=10A169772
• Floor-Sqrt transform of Catalan numbers (A000108).at n=21A186546
• a(n) = [x^n] G(n,x) where G(n,x) is the n-th iteration of G(1,x) = x/(1-x+x^2), so that G(n,x) = G(n-1, G(1,x)) with G(0,x)=x.at n=7A242574
• Number of length n+3 0..7 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=5A249706
• Number of length 6+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=6A249712
• Expansion of phi(-x^3) * psi(-x^3) / phi(-x)^2 in powers of x where phi(), psi() are Ramanujan theta functions.at n=19A260546