46945

Appears in sequences

• G.f.: (1+x+x^3+x^5)/( (1-x^2+x^3)*(1-x-x^3) ).at n=27A177485
• Number of length n+2 0..6 arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=3A253127
• T(n,k)=Number of length n+2 0..k arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=39A253129
• Number of length 4+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=5A253132