52524

Appears in sequences

• a(n) = [ a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ], for n >= 3.at n=28A022859
• Number of compositions of n with difference -3 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=15A242838
• T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 7.at n=29A264818
• Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 7.at n=6A264819
• a(n) = [x^n] (1 - 2*x)/(1 - 8*x + 4*x^2)^(3/2).at n=5A331323