@Dolfin:
d3! = (3+1) = 4
d3! = (3+1) = 4d20! = (12) = 12d5! = (4) = 4d4! = (2) = 2d4! = (2) = 2d4! = (4+3) = 7d8888 = (2144) = 2144d7777 = (5299) = 5299d7777 = (331) = 331d7777 = (7661) = 7661d7777 = (6448) = 6448d7777 = (4877) = 4877d7777 = (1261) = 1261d7777 = (1934) = 1934d7777 = (6546) = 6546d7777 = (7220) = 7220d7777 = (532) = 532d7777 = (1214) = 1214d7777 = (3446) = 3446d7777 = (4384) = 4384d7777 = (4754) = 4754d7777 = (6381) = 6381d7777 = (3734) = 3734d7777 = (2222) = 2222d7777 = (1932) = 1932d7777 = (4540) = 4540d7777 = (5262) = 526250d7777/50 = (3133+5217+7213+4462+3494+941+4726+5310+5865+6697+6960+6944+3717+3375+6818+5473+5027+3452+4409+5412+1161+3443+341+4947+4443+7591+702+217+7671+7448+4848+2552+2701+1319+6792+4583+1703+6308+413+3504+3464+4400+2720+3127+2970+584+6138+6606+6174+4651)/50 = 4243.32d7777 = (980) = 980d7777 = (2735) = 2735d7777 = (7424) = 7424d7777 = (932) = 932d7777 = (6352) = 6352d7777 = (316) = 316d7777 = (2411) = 2411