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 A191289 Increasing sequence generated by these rules:  a(1)=1, and if x is in a then 3x-1 and x^2 are in a. 2
 1, 2, 4, 5, 11, 14, 16, 25, 32, 41, 47, 74, 95, 121, 122, 140, 196, 221, 256, 284, 362, 365, 419, 587, 625, 662, 767, 851, 1024, 1085, 1094, 1256, 1681, 1760, 1874, 1985, 2209, 2300, 2552, 3071, 3254, 3281, 3767, 5042, 5279, 5476, 5621, 5954, 6626, 6899, 7655, 9025, 9212, 9761, 9842, 11300, 14641, 14884, 15125, 15836 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS See A191203. LINKS Ivan Neretin, Table of n, a(n) for n = 1..10000 EXAMPLE 1 -> 2 -> 4,5 -> 11,14,16,25 -> MATHEMATICA g = 11; Union[Flatten[NestList[{-1 + 3 #, #^2} &, 1, g]]] (* A191289; use g>9 to get all of first 60 terms *) CROSSREFS Cf. A191203. Sequence in context: A292412 A113733 A294434 * A256570 A284427 A089416 Adjacent sequences:  A191286 A191287 A191288 * A191290 A191291 A191292 KEYWORD nonn AUTHOR Clark Kimberling, May 29 2011 STATUS approved

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Last modified August 9 05:12 EDT 2020. Contains 336319 sequences. (Running on oeis4.)