48560

Appears in sequences

• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.at n=13A197244
• a(n) = 991*n^2 + 1.at n=7A237991
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 435", based on the 5-celled von Neumann neighborhood.at n=15A282206
• E.g.f.: 1/Product_{k>0} (1-x^(2*k-1)/(2*k-1)!).at n=8A294531
• Partial sums of A299900.at n=45A299901
• a(n) = n! * [x^n] Product_{k=1..n, gcd(n,k) = 1} 1 / (1 - x^k/k!).at n=8A338436
• Integers x such that there exist four integers 0<y<=z<=t<=w such that sigma(x)^5 = x^5 + y^5 + z^5 + t^5 + w^5.at n=9A386672