221859

Appears in sequences

• Fourth column sequence of triangle A056588.at n=7A056590
• Each number is the sum of the cubes of its 3 sections.at n=5A056733
• Unsigned version of A056588.at n=58A126770
• Unsigned version of A056588.at n=62A126770
• Number of different n X n symmetric matrices with nonnegative entries summing to 4. Also number of symmetric oriented graphs with 4 arcs on n points.at n=27A139594
• Number of length 5 0..n arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope.at n=25A245135
• Each number is the sum of the cubes of its 3 sections (not necessarily having the same length and without leading zeros).at n=11A271730