124383

Appears in sequences

• Triangle enumerating certain two-line arrays of positive integers.at n=42A211788
• Number of Q graphs with 2*n vertices symmetrical about a distinguished edge.at n=16A294728
• Number of ways to place eight distinct positive integers on a square, four on the corners and four on the sides such that the sum of the three values on each side is n.at n=45A380962
• Number of irredundant sets in the Lingren-Sousslier graph on 6n+4 vertices.at n=2A391913