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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A017971 Powers of sqrt(22) rounded to nearest integer. 1 1, 5, 22, 103, 484, 2270, 10648, 49944, 234256, 1098758, 5153632, 24172677, 113379904, 531798889, 2494357888, 11699575549, 54875873536, 257390662067, 1207269217792, 5662594565481, 26559922791424 (list; graph; refs; listen; history; text; internal format) OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 MATHEMATICA Floor[(Sqrt[22])^Range[0, 25]+1/2] (* Vincenzo Librandi, Nov 20 2011 *) PROG (PARI) a(n)=round(sqrt(22)^n) \\ Charles R Greathouse IV, Nov 18 2011 (Magma) [Round(Sqrt(22)^n): n in [0..30]]; // Vincenzo Librandi, Nov 20 2011 CROSSREFS Sequence in context: A262440 A296044 A048251 * A308807 A017972 A363546 Adjacent sequences: A017968 A017969 A017970 * A017972 A017973 A017974 KEYWORD nonn AUTHOR N. J. A. Sloane STATUS approved

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Last modified August 19 03:19 EDT 2024. Contains 375284 sequences. (Running on oeis4.)