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 A335699 Irregular tree read by rows: take the Stern-Brocot tree A007305(n)/A007306(n) and set a(n) = A007306(n) - A007305(n) mod 3. 0
 1, 0, 1, 2, 1, 0, 0, 2, 1, 1, 2, 2, 1, 0, 0, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 1, 0, 0, 2, 1, 0, 0, 2, 1, 2, 1, 0, 0, 0, 0, 1, 2, 1, 2, 0, 0, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 1, 0, 0, 2, 1, 1, 2, 2, 1, 0, 0, 2, 1, 2, 1, 0, 0, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..77. Kiana Mittelstaedt, A Stochastic Approach to Eulerian Numbers, arXiv:1902.03195 [math.CO], 2019. Also Amer. Math. Mnthly, 127:7 (2020), 618-628. See Fig. 5. Note that this author has omitted the two initial terms. EXAMPLE The initial rows of the tree are 1,0 // 1 // 2,1 // 0,0,2,1 // 1,2,2,1,0,0,2,1 // ... CROSSREFS Cf. A002487, A007305, A007306, A049448, A049449, A057431. Sequence in context: A341595 A125070 A125071 * A177207 A161528 A175083 Adjacent sequences: A335696 A335697 A335698 * A335700 A335701 A335702 KEYWORD nonn,tabf AUTHOR N. J. A. Sloane, Aug 05 2020 STATUS approved

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Last modified September 29 19:35 EDT 2023. Contains 365776 sequences. (Running on oeis4.)