33586

Appears in sequences

• a(n) = number of components of the graph P(n,10) (defined in Comments).at n=9A158576
• Number of nX2 1..7 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.at n=4A166780
• G.f.: A(x) = exp(Sum_{n>=1} A177430(n)*x^n/n) where A177430 is the least monotonically increasing logarithmic derivative consisting of only squares.at n=14A177432
• a(n) is the number of arches for semi-meanders with n top arches that have exactly two covering arches.at n=11A322507