8053063680

Appears in sequences

• a(n) = n*2^(2*n-1).at n=15A002699
• a(0)=0, a(1)=1, a(n) = n*2^(n-2) for n >= 2.at n=30A057711
• a(n) = the least number which is the average of two consecutive primes and has exactly n prime factors (counted with multiplicity).at n=29A092576
• a(n) = 15*2^n.at n=29A110286
• Number of ternary Lyndon words of length n with exactly two 1's.at n=28A124720
• Row sums of triangle A134352.at n=29A134353
• Expansion of x*(1-x)^2/( (1-2*x^2)*(1-2*x)^2).at n=29A178945
• a(n) = Sum_{k=0..floor(n/2)} k*binomial(n,k).at n=30A185251
• a(n) = Sum_{k=0..ceiling(n/2)} k*binomial(n,k).at n=30A185252
• Sum of the degrees of asymmetry of all binary words of length n.at n=30A274497
• Number of edges in geodesic dome generated from icosahedron by recursively dividing each triangle in 4.at n=15A277451
• a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n)).at n=29A287705
• a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n, x)).at n=29A287706
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood.at n=34A287721
• a(n) = Sum_{k=0..n}(k!*(n - k)!)/(floor(k/2)!*floor((n - k)/2)!)^2.at n=29A328000