73395

Appears in sequences

• Pisot sequences E(6,8), P(6,8).at n=33A020716
• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-4).at n=39A023434
• a(n) = A000931(n+4) - A010060(n).at n=42A140514
• Irregular triangle read by rows: coefficients of polynomials related to a family of convolutions of certain central binomial sequences.at n=46A142961
• a(1) = greatest k such that H(k) - H(8) < H(8) - H(4); a(2) = greatest k such that H(k) - H(a(1)) < H(a(1)) - H(8), and for n > 2, a(n) = greatest k such that H(k) - H(a(n-1)) > H(a(n-1)) - H(a(n-2)), where H = harmonic number.at n=15A227804
• The number of partitions of [n] with exactly 2 blocks without peaks.at n=20A289692
• Expansion of e.g.f. (1/(1 - x)) * Product_{k>=2} 1/(1 - x^k)^(phi(k)/2), where phi() is the Euler totient function (A000010).at n=7A308457
• The number of vertices on a 2 by 1 ellipse formed by the straight line segments mutually connecting all points formed by dividing the ellipse into 2n equal angle sectors from its origin.at n=18A341762