29752

Appears in sequences

• Poincaré series [or Poincare series] for depths of roots in a certain root system.at n=15A019526
• Number of incongruental unlabeled undirected trees with n nodes on a square lattice and edges of length 1 or sqrt(2) admitted to the 4 nearest or 4 2nd nearest neighbors.at n=6A056787
• Powers of e^(1/e) rounded up.at n=28A107586
• Number of 1..31 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1.at n=2A171305
• Number of 1..n integer arrays v[1..3] of length 3 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..2.at n=30A171340
• G.f. A(x) satisfies: A(x)^3 = A( x^3/(1-6*x) ), with A(0) = 0.at n=7A264229
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=30A273612
• Number of permutations f of {1,...,n} such that prime(k)*prime(f(k)) - 2 is prime for every k = 1,...,n.at n=15A321855