23294

Appears in sequences

• Number of discordant permutations.at n=16A000561
• Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of three different symbols.at n=11A056402
• Number of strict partitions of 2n that include a partition of n.at n=36A237258
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=31A270679
• On a 2 X n grid of vertices, draw a circle through every unordered triple of non-collinear vertices: a(n) is the number of distinct edges in the planar graph formed from the intersections of the circles.at n=6A384703