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 A339133 a(n) = A339107(n)*A339107(n+1)/(A339107(n)+A339107(n+1)) 2
 2, 4, 8, 6, 7, 24, 14, 12, 20, 21, 10, 6, 8, 24, 15, 16, 30, 12, 14, 48, 12, 10, 28, 60, 56, 45, 8, 6, 12, 20, 30, 54, 60, 36, 18, 24, 120, 108, 80, 90, 96, 60, 24, 28, 96, 72, 42, 54, 126, 108, 140, 126, 110, 84, 33, 28, 66, 21, 18, 66, 90, 66, 85, 132, 51, 52, 204, 51, 36, 78, 72, 40, 52, 60, 26 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS This is the ratio of the multiplication and addition of successive terms in A339107. See that sequence for further details. LINKS Scott R. Shannon, Line graph of the first 100000 terms. EXAMPLE a(1) = 2 as A339107(1) = 3 and A339107(2) = 6, and 3*6/(3+6) = 2. CROSSREFS Cf. A339107, A063647, A027750, A000040, A098550, A336957, A064413. Sequence in context: A086354 A014257 A247576 * A246821 A212885 A319078 Adjacent sequences:  A339130 A339131 A339132 * A339134 A339135 A339136 KEYWORD nonn AUTHOR Scott R. Shannon, Nov 24 2020 STATUS approved

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Last modified August 14 23:23 EDT 2022. Contains 356122 sequences. (Running on oeis4.)