41384

Appears in sequences

• Half the difference between the larger and smaller term of the n-th amicable pair.at n=39A162884
• Numbers n such that 10^n - 47 is prime.at n=11A178175
• Triangle read by rows: T(n,k) = number of neighbors in n-dimensional lattice for generalized neighborhood given with parameter k.at n=51A265014
• Half the difference between the larger and smaller terms of the n-th amicable pair (x,y) given in A259933.at n=39A275470
• Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * ((-x)^(n-1) - 2*A(x))^n.at n=8A361778
• a(n) = 4*(23 - 17*n + 8*n^2).at n=36A387458