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 A102488 Numbers in base-12 representation that cannot be written with decimal digits. 5
 10, 11, 22, 23, 34, 35, 46, 47, 58, 59, 70, 71, 82, 83, 94, 95, 106, 107, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 154, 155, 166, 167, 178, 179, 190, 191, 202, 203, 214 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 Eric Weisstein's World of Mathematics, Duodecimal Wikipedia, Duodecimal EXAMPLE 143 = 11*12^1 + 11*12^0 = 'BB', therefore 143 is a term. PROG (Haskell) import Data.List (unfoldr) a102488 n = a102488_list !! (n-1) a102488_list = filter (any (> 9) . unfoldr (\x ->    if x == 0 then Nothing else Just \$ swap \$ divMod x 12)) [1..] -- Reinhard Zumkeller, Apr 18 2011 CROSSREFS Complement of A102487; A102490, A102492, A102494. Sequence in context: A041200 A041847 A113702 * A022315 A061590 A173900 Adjacent sequences:  A102485 A102486 A102487 * A102489 A102490 A102491 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Jan 12 2005 STATUS approved

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Last modified May 28 10:49 EDT 2020. Contains 334681 sequences. (Running on oeis4.)