25358

Appears in sequences

• Expansion of (3+2*x^2)/(1-x)^4.at n=30A037236
• Base-8 palindromes that start with 6.at n=30A043026
• Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={0}.at n=15A080012
• Expansion of x/((1-x-x^3)*(1-x)^4).at n=17A144898
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 1, read by rows.at n=31A157207
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 1, read by rows.at n=32A157207
• Number of right triangles on an (n+1) X 5 grid.at n=30A189809
• a(n) = Sum_{i=0..n} digsum_6(i)^4, where digsum_6(i) = A053827(i).at n=28A231675
• a(n) = Sum_{k=1..n} floor(n/(2*k-1))^3.at n=28A350144