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 A235708 Largest base in which n is pandigital. 1
 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 3, 2, 2, 2, 3, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 1, 3, 3, 3, 3, 2, 2, 3, 2, 2, 2, 3, 2, 2, 3, 3, 3, 3, 2, 2, 3, 2, 2, 2, 3, 2, 3, 3, 3, 2, 3, 2, 3, 3, 3, 3, 2, 2, 3, 2, 2, 2, 3, 2, 4, 2, 2, 4, 2, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS The first occurrence of k in this sequence is given by A049363(k). LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 Eric Weisstein's World of Mathematics, Pandigital Number Wikipedia, Pandigital number PROG (Haskell) import Data.List (unfoldr, nub); import Data.Tuple (swap) a235708 n = f n where    f 1 = 1    f b = if isPandigital b n then b else f (b - 1) where          isPandigital b = (== b) . length . nub . unfoldr            (\x -> if x == 0 then Nothing else Just \$ swap \$ divMod x b) -- Reinhard Zumkeller, May 12 2014 CROSSREFS Cf. A049363. Sequence in context: A066086 A323406 A160520 * A297770 A145866 A103318 Adjacent sequences:  A235705 A235706 A235707 * A235709 A235710 A235711 KEYWORD nonn,base,nice AUTHOR Joonas Pohjonen, May 02 2014 STATUS approved

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Last modified January 15 20:47 EST 2019. Contains 319184 sequences. (Running on oeis4.)