25806

Appears in sequences

• Degrees of irreducible representations of Fischer group Fi23.at n=4A003914
• Numbers k such that 2^k == -1 (mod k-1).at n=6A055685
• Numbers k such that 8^k == -1 (mod k-1).at n=15A055691
• A PolyLog functional polynomial coefficient triangular sequence: p(x,n)=(-1)^(n + 1)*(4*x + x^2)^(n + 1)*PolyLog[ -n, 1 + 4*x + x^2]/(1 + 4*x + x^2).at n=44A142146
• Squarefree positive integers of the form u*v*(u^2-v^2) for some integer u,v.at n=21A147779
• Partial sums of A048895.at n=5A172384
• Sequence of coefficients of x^1 in marked mesh pattern generating function Q_{n,132}^(0,4,0,0)(x).at n=16A212347
• Even 14-gonal (or tetradecagonal) numbers.at n=33A270704
• Areas of primitive Pythagorean triangles that are sums of two or more consecutive primes.at n=48A383395
• a(n) = (1/(5*n+4)) * Sum_{k=0..n} (5*k+4) * binomial(5*n+4,n-k).at n=5A390780