@Dolfin:
d2! = (2+1) = 3
d2! = (2+1) = 3d2! = (2+1) = 3d2! = (2+2+1) = 5d2! = (1) = 1d77 = (40) = 40d77 = (71) = 71d77 = (57) = 57d77 = (56) = 56d77 = (17) = 17d77 = (8) = 8d77 = (29) = 29d77 = (8) = 8d77 = (35) = 35d77 = (74) = 74d77 = (42) = 42d77 = (29) = 29d77 = (74) = 74d77 = (59) = 59d77 = (19) = 19d77 = (7) = 7d77 = (74) = 74d77 = (49) = 49d77 = (60) = 60d77 = (1) = 1