3014656

Appears in sequences

• Denominators of coefficients of 1/2^(2n+1) in Newton's series for Pi.at n=11A054388
• Products of exactly 18 primes (generalization of semiprimes).at n=23A069279
• a(n) = n*2^(n-6).at n=17A078836
• a(n) = 4^n*(n^3 - 3*n^2 + 2*n + 384)/384.at n=10A081915
• Second differences of A129952.at n=19A129954
• Row sums of triangle A133935.at n=19A131352
• Number of connected components in the double Bruhat cells for simple Lie groups of type B_n (or C_n).at n=16A131769
• Expansion of (1+8x^2+8x^3)/((1-2x)^2*(1+2x+4x^2)).at n=17A168057
• Expansion of x*(5+x+x^2)/(1-2*x).at n=20A248646
• Decimal representation of the n-th iteration of the "Rule 67" elementary cellular automaton starting with a single ON (black) cell.at n=14A266839
• A double binomial sum involving absolute values.at n=4A268151
• Expansion of x^3*(3*x - 2)/(2*x - 1)^3.at n=18A268586
• 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 454", based on the 5-celled von Neumann neighborhood.at n=21A288396
• a(n) = 16^n*Sum_{i=0..n} 2^i*binomial(n, i)*Catalan(2*n-i).at n=4A308815