A014476 Triangular array formed from even elements to right of middle of rows of Pascal's triangle.

4, 10, 6, 56, 28, 8, 126, 84, 36, 210, 120, 10, 462, 330, 792, 220, 66, 12, 1716, 286, 78, 2002, 364, 14, 11440, 8008, 4368, 1820, 560, 120, 16, 24310, 19448, 12376, 6188, 2380, 680, 136, 43758, 31824, 18564, 8568, 3060, 816, 18, 92378, 75582, 50388