228514

Appears in sequences

• Even numbers (not equal to 2) to the left of the central elements of the (2,3)-Pascal triangle A029600.at n=39A029613
• Even numbers to right of central numbers of the (3,2)-Pascal triangle A029618.at n=51A029627
• a(n) = (5n+2)*C(n) where C(n) = Catalan numbers (A000108).at n=9A053368
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, 1), (0, -1), (1, 0)}.at n=17A151497
• Dimension of invariants of 2n-th tensor power of 6-dimensional irreducible representation of A_3.at n=7A247591