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 A262412 A262411 in ternary representation. 2
 1, 10, 11, 12, 2, 20, 22, 21, 100, 101, 102, 110, 111, 112, 120, 121, 122, 200, 202, 201, 212, 210, 221, 211, 222, 220, 1002, 1001, 1000, 1010, 1011, 1012, 1021, 1020, 1101, 1022, 1102, 1110, 1100, 1111, 1112, 1120, 1121, 1122, 1201, 1200, 1211, 1202, 1212 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n) = A007089(A262411(n)). LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 EXAMPLE See A262411. PROG (Haskell) import Data.List (inits, tails, intersect, delete) a262412 n = a262412_list !! (n - 1) a262412_list = 1 : f [1] (drop 2 a030341_tabf) where    f xs tss = g tss where      g (ys:yss) | null (intersect its \$ tail \$ inits ys) &&                   null (intersect tis \$ init \$ tails ys) = g yss                 | otherwise = (foldr (\t v -> 10 * v + t) 0 ys) :                               f ys (delete ys tss)      its = init \$ tails xs; tis = tail \$ inits xs -- Reinhard Zumkeller, Sep 22 2015 CROSSREFS Cf. A030341, A007089, A262411. Sequence in context: A162501 A286890 A262323 * A333722 A299981 A123895 Adjacent sequences:  A262409 A262410 A262411 * A262413 A262414 A262415 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Sep 22 2015 STATUS approved

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Last modified June 4 04:39 EDT 2020. Contains 334815 sequences. (Running on oeis4.)