100653

Appears in sequences

• G.f. A(x) satisfies A(x)+A(x)^2+A(x)^3 = (1-sqrt(1-4*x))/2.at n=13A212260
• Number of rooted identity trees with n nodes and exactly 7 subtrees from the root.at n=8A227811
• Number of (n+1)X(2+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.at n=1A235580
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise.at n=4A235582