Combinatorics.BellNumbers

Documentation

>>> import qualified Combinatorics.BellNumbers as Bell
>>> import Test.Utility (equalFuncList)

bellRec :: Num a => [a]

List of Bell numbers computed with the recursive formula given in Wurzel 2004-06, page 136

bellSeries :: (Floating a, Enum a) => Int -> a

equalFuncList (\k -> round (Bell.bellSeries (fromInteger k) :: Double)) (Bell.bellRec :: [Integer]) 20