enumDeltaInteger :: Integer -> Integer -> [Integer]
enumDeltaInteger x d = x `seq` (x : enumDeltaInteger (x+d) d)
enumDeltaInteger :: Integer -> Integer -> [Integer]
enumDeltaInteger x d = x `seq` (x : enumDeltaInteger (x+d) d)
enumDeltaInteger x d = x `seq` (x : enumDeltaInteger (x+d) d)