67752

Appears in sequences

• Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+6), n>=0.at n=11A067984
• Coefficients of numerator of recursively defined rational function: p(x,3)=x*(x^2 + 8*x + 1)/(1 - x)^4; p(x, n) = 2*x*D[p(x, n - 1), x] - p(x,n-2).at n=24A166346
• Triangle read by rows: T(n, k) is the number of chains of length k in the poset of permutations of an n-set.at n=30A375835