37396

Appears in sequences

• a(n) = floor(n*phi^19), where phi is the golden ratio, A001622.at n=4A004934
• a(n) = round(n*phi^19), where phi is the golden ratio, A001622.at n=4A004954
• Number of numerical semigroups of genus n; conjecturally also the number of power sum bases for symmetric functions in n variables.at n=20A007323
• Lucas numbers divided by their primitive part.at n=56A126015
• 4 times the Lucas number A000032(n).at n=19A156279
• Number of overpal-free binary words of length n.at n=37A277277
• Number of quadrilaterals in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).at n=23A332607