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 A018082 Powers of fourth root of 13 rounded to nearest integer. 1
 1, 2, 4, 7, 13, 25, 47, 89, 169, 321, 609, 1157, 2197, 4172, 7921, 15041, 28561, 54232, 102978, 195538, 371293, 705022, 1338716, 2541993, 4826809, 9165285, 17403307, 33045903, 62748517, 119148699, 226242996, 429596743, 815730721, 1548933086, 2941158942, 5584757663 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 MATHEMATICA Round[Surd[13, 4]^Range[0, 30]] (* Harvey P. Dale, Apr 07 2017 *) Floor[# + 1/2]&/@((Power[13, (4)^-1])^Range[0, 40]) (* Vincenzo Librandi, Apr 22 2017 *) CROSSREFS Cf. A011010 (fourth root of 13). Sequence in context: A079958 A224341 A235684 * A018083 A108361 A082423 Adjacent sequences:  A018079 A018080 A018081 * A018083 A018084 A018085 KEYWORD nonn AUTHOR STATUS approved

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Last modified August 3 11:47 EDT 2021. Contains 346435 sequences. (Running on oeis4.)