The beginning is:1/2, 1/6, 0, -1/30, 0, 1/42, ... = (1/2, 1/3, 3/14, 2/15, 5/62, 1/21, ...) * (1, 1/2, 0, -1/4, 0, 1/2, ...).
* Tazón, Juan E., "The life and times of Thomas Stukeley (c.1525-78)", Ashgate Publishing Ltd, 2003.