48128

Appears in sequences

• Expansion of g.f. (1 - x)^2*(1 + x) / (1 - 2*x)^2.at n=13A106472
• Numbers with 22 divisors.at n=13A137485
• a(n) = 441*n^2 - 488*n + 135.at n=10A157730
• a(n) = 2^(floor(n/2))+2^(floor(n/2)-1)-2^(floor((n-1)/3)).at n=29A170831
• a(n) is the smallest positive integral multiple of 2^n not in the range of the Euler phi function.at n=10A181662
• Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 9.at n=32A195093
• Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|=|y-z|.at n=32A212679
• Number of (n+1) X (3+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=7A235293
• Number of (n+1) X (8+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).at n=2A235298
• Decimal representation of the n-th iteration of the "Rule 103" elementary cellular automaton starting with a single ON (black) cell.at n=20A267139
• Number of maximum induced cycles in the n X n grid graph.at n=15A360914
• Number of embeddings on the sphere of Halin graphs on n unlabeled nodes up to orientation-preserving homeomorphisms.at n=18A380360