28594

Appears in sequences

• Specific heat coefficients for square lattice spin 2 Ising model.at n=21A010112
• If n < 8 then A058966(n), else n*2^(n - 3) - 2*n - 50.at n=11A058967
• If p(x) is the x-th prime, then the n-th set of 4 consecutive sexy prime pairs starts at p(a(n)).at n=32A095963
• Numbers n such that the sum of the digits of the n-th Fibonacci number written in bases 2, 3, 5 and 7 is prime.at n=33A111064
• Binomial transform of [1, 1, 7, 7, 7, ...].at n=12A131068
• a(n) = 1 + 2*n^2 + 3*n^3 + 4*n^4.at n=9A209262
• Walks of length n on the x-axis using steps {1,0,-1} and visiting no point more than twice.at n=12A212587
• Principal diagonal of the convolution array A213825.at n=16A213826
• Number of symmetric primitive Lucas strings of length n.at n=28A250112
• G.f. A(x) satisfies: A(x) = Sum_{n>=0} (1 + x*A(x)^n)^n / 2^(n+1).at n=6A300050
• Number of n X 4 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=6A302885
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=51A302889
• Number of 7Xn 0..1 arrays with every element equal to 0, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=3A302894
• a(n) = 34*n^2.at n=29A303302