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 A295510 The numerators of the fractions in the Schinzel-Sierpiński tree A295511, read across levels. Also an encoding of Stern's diatomic series A002487. 3
 2, 2, 3, 3, 7, 5, 7, 2, 17, 7, 11, 5, 11, 13, 5, 3, 241, 17, 29, 7, 17, 31, 43, 13, 43, 11, 17, 13, 29, 193, 11, 2, 13, 11, 37, 73, 67, 29, 41, 7, 23, 97, 79, 31, 73, 29, 19, 5, 37, 43, 73, 31, 157, 17, 23, 13, 41, 43, 199, 17, 19, 11, 7 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE The triangle (row lengths are 2^(n-1)) starts: 1: 2 2: 2, 3 3: 3, 7, 5, 7 4: 2, 17, 7, 11, 5, 11, 13, 5 5: 3, 241, 17, 29, 7, 17, 31, 43, 13, 43, 11, 17, 13, 29, 193, 11 PROG (Sage) # uses[SSETree from A295511] def A295510_row(n):     if n == 1: return [2]     return [r.numerator() for r in SSETree(n)] for n in (1..6): print(A295510_row(n)) CROSSREFS Cf. A002487, A295510, A295512. Sequence in context: A192495 A162223 A133076 * A324520 A307737 A309684 Adjacent sequences:  A295507 A295508 A295509 * A295511 A295512 A295513 KEYWORD nonn,tabf AUTHOR Peter Luschny, Nov 23 2017 STATUS approved

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Last modified May 10 14:32 EDT 2021. Contains 343771 sequences. (Running on oeis4.)