425984

Appears in sequences

• a(n) = 13*2^n.at n=15A005029
• Numbers k such that d(k)^3 divides k.at n=11A046755
• 16-almost primes (generalization of semiprimes).at n=12A069277
• Interleave n+1 and 2n+1 and take binomial transform.at n=16A098156
• a(n) = -2*a(n-1) + 4*a(n-3), with a(0) = 1, a(1) = a(2) = 0.at n=22A099212
• Numbers of the form (8^i)*(13^j), with i, j >= 0.at n=22A107764
• a(1) = 1. For n >=2, a(n) = the smallest integer > a(n-1) such that both a(n) and a(n)-a(n-1) have the same number of (non-leading) 0's when they are represented in binary.at n=33A160825
• Number of subsets of the set {1,2,...,n} which do not contain two elements whose difference is 6.at n=24A208743
• Cancellation factor in reducing Sum_{k=0...n} n^k/k! to lowest terms.at n=15A214402
• 3-level binary fanout graph coloring a rectangular array: number of nX1 0..6 arrays where 0..6 label nodes of a graph with edges 0,1 1,3 1,4 0,2 2,5 2,6 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=16A223417
• Expansion of (1 + 2*x)^2/(1 - 2*x)^2.at n=13A241204
• Maximal element of Image^inf({ 2 }) under repeated base-n zero-split doubling.at n=10A254637
• Row sums of A146565.at n=19A259098
• Denominators of coefficients in the asymptotic expansion of the logarithm of the central binomial coefficient.at n=6A275995
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood.at n=22A286741
• Numbers whose prime factors are 2 and 13.at n=35A288162
• a(n) = n*(6*n^4 + 8*n^3 + 1 - (-1)^n)/16.at n=16A374709
• Riordan array ((1-x)^(m-1), x/(1-x)) with factor r^(2*n) on row n, for m = 3/2, r = 2.at n=43A380851
• a(n) = Sum_{k=0..n} k^4 * (-1)^k * 3^(n-k) * binomial(n,k).at n=13A383151