A185622 Column 2 of triangular matrix T = A185620, which satisfies: T^3 - T^2 + I = SHIFT_LEFT(T).
1, 1, 5, 27, 173, 1330, 12134, 129359, 1587501, 22127494, 346245249, 6021401618, 115373290404, 2417393483696, 55028734386699, 1353170738090204, 35764709876549353, 1011496211524329699, 30490289594142366215
Offset: 0