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 A183173 Ordering of the numbers in set S generated by these rules: 2 is in S, and if n is in S then floor(r*n) and floor(s*n) are in S, where r=sqrt(2) and s=r/(r-1). 3
 2, 6, 8, 11, 15, 20, 21, 27, 28, 29, 37, 38, 39, 41, 51, 52, 53, 55, 57, 68, 71, 72, 73, 74, 77, 80, 92, 95, 96, 99, 100, 101, 103, 104, 108, 113, 126, 129, 130, 133, 134, 135, 139, 140, 141, 142, 145, 147, 152, 159, 174, 177, 178, 180, 182 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The sequence results from flattening and sorting the tree at A183171. Complement of A183172, obtained from the tree at A183170. LINKS Ivan Neretin, Table of n, a(n) for n = 1..10000 FORMULA (See A183171, A183172.) MATHEMATICA nn=200; t={2}; r=Sqrt[2]; s=r/(r-1); t0=t; While[t=Select[Union[t, Floor[r*t], Floor[s*t]], # <= nn &]; t0 != t, t0=t]; t CROSSREFS Cf. A183171, A183172. Sequence in context: A370866 A184420 A136496 * A178931 A243184 A076991 Adjacent sequences: A183170 A183171 A183172 * A183174 A183175 A183176 KEYWORD nonn AUTHOR Clark Kimberling, Dec 29 2010 EXTENSIONS Missing term 113 inserted by John W. Layman, Dec 29 2010 STATUS approved

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Last modified June 16 07:19 EDT 2024. Contains 373423 sequences. (Running on oeis4.)