19352

Appears in sequences

• Expansion of tan(tan(x))*sin(x).at n=4A009698
• Sums of knight's moves over the square |i|+|j|<=n on infinite chessboard.at n=32A183053
• a(n) = A273059(4n+1).at n=24A275917
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 502", based on the 5-celled von Neumann neighborhood.at n=28A288766
• Number of nX3 0..1 arrays with every element unequal to 0, 1, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=16A318077