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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

Table of n, a(n) for n=1..63.

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)

# The function SSETree is defined in 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 February 21 02:02 EST 2020. Contains 332086 sequences. (Running on oeis4.)