42763

Appears in sequences

• Let M(n) = maximal value of (n/k)^k over all k = 1, 2, ...; a(n) = ceiling(M(n)).at n=28A139078
• Number of 5-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=30A187510
• Constant term in the reduction of the polynomial 1+x+x^2+...+x^n by x^3->x^2+x+1. See Comments.at n=20A192804
• Number of (n+1) X (n+1) -5..5 symmetric matrices with every 2 X 2 subblock having sum zero and one or three distinct values.at n=10A211331
• a(1) = least k such that 1/3 < H(k) - 1/3; a(2) = least k such that H(a(1)) - H(3) < H(k) - H(a(1)), and for n > 2, a(n) = least k such that H(a(n-1)) - H(a(n-2)) > H(k) - H(a(n-1)), where H = harmonic number.at n=15A225605
• Composite squarefree numbers n such that p(i)-5 divides n+5, where p(i) are the prime factors of n.at n=18A225705