26465

Appears in sequences

• Number of closed walks of length 2*n on the 5-cube.at n=4A121822
• Denominators of convergents to the square root of the golden ratio.at n=8A225205
• Number of exponent-7 class 2 groups of order 7^n.at n=7A252787
• a(n) = 1680*n^4 - 168*n^2 + 128*n + 1.at n=2A272127
• Array read by antidiagonals: A(n, L) is the number of closed walks of length 2L along the edges of an n-cube based at a vertex, for n >= 1 and L >= 1.at n=32A286899
• A(n, k) = (m*k)! [x^k] MittagLefflerE(m, x)^n, for m = 2, n >= 0, k >= 0; square array read by descending antidiagonals.at n=50A326476