A052312 Column 1 of triangle A052311.
1, -1, 0, 1, 0, -1, -2, -1, 8, 25, 26, -111, -590, -1419, 456, 21639, 99822, 202875, -545926, -7583365, -36354050, -71015561, 372995254, 4834925399, 25950214696, 60006459617, -337120306782, -5124389194155, -33147265576814
Offset: 1