56868

Appears in sequences

• Expansion of g.f.: 1/((1 - x - x^2 + x^4 - x^6)*(1 - x^2 + x^4 + x^5 - x^6)).at n=27A147606
• a(n) = 16^n * Sum_{k=0..n} (-1)^k*binomial(-1/2, k)^2.at n=4A358362
• Triangle read by rows: T(n,k) is the number of n-node Stanley graphs containing exactly k isolated points, n>=0, 0<=k<=n.at n=48A383655
• a(n) = 3^n - 6*binomial(n,4) - 6*binomial(n,3) - 4*binomial(n,2) - 2*n - 1.at n=10A385726