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 A137708 Secondary Lower Wythoff Sequence. 2
 1, 2, 5, 6, 7, 8, 11, 12, 15, 16, 17, 18, 21, 22, 23, 24, 27, 28, 31, 32, 33, 34, 37, 38, 41, 42, 43, 44, 47, 48, 49, 50, 53, 54, 57, 58, 69, 60, 63, 64, 65, 66, 69, 70, 73, 74, 75, 76, 79, 80, 83, 84, 85, 86, 89, 90, 91, 92, 95, 96, 99, 100, 101, 102, 105, 106, 109, 110, 111 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS This sequence is the ordered union of odd numbered columns of the Wythoff secondary array, A137707. See A137707 for complementary equations of which this sequence is a solution. LINKS FORMULA a(2n)=2*A000201(n)=a(2n-1)+1; A000201 is the lower Wythoff sequence. EXAMPLE The lower Wythoff sequence begins with 1,3,4,6,8,9,... Double these: 2,6,8,12,16,18...; subtract 1: 1,5,7,11,15,17; Then merge: 1,2,5,6,7,8,11,12,15,16,17,18,... CROSSREFS Cf. A035513, A137709. Sequence in context: A047269 A039027 A129816 * A122806 A122546 A258775 Adjacent sequences:  A137705 A137706 A137707 * A137709 A137710 A137711 KEYWORD nonn AUTHOR Clark Kimberling, Feb 07 2008 STATUS approved

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Last modified May 31 05:50 EDT 2020. Contains 334747 sequences. (Running on oeis4.)