289406976

Appears in sequences

• Denominator of Bernoulli(2n,1/2).at n=11A033469
• Denominator of Bernoulli(n, 1/2).at n=22A157780
• Denominator of Bernoulli(n, -1/2).at n=22A157782
• Expansion of (1-x+4*x^2)/(1-2*x)^2.at n=23A167667
• Number of n X 2 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.at n=11A268898
• 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 366", based on the 5-celled von Neumann neighborhood.at n=29A287855
• (1/2) times the sum of the elements of all subsets of [n] whose sum is divisible by two.at n=23A309294