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 A172476 a(n) = floor(n/sqrt(6)). 1
 0, 0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 15, 16, 16, 17, 17, 17, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, 30, 30 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 MATHEMATICA Table[Floor[n Sqrt[6]/6], {n, 0, 80}] (* Vincenzo Librandi, Aug 01 2013 *) PROG (Magma) [Floor(n*Sqrt(6)/6): n in [0..80]]; // Vincenzo Librandi, Aug 01 2013 CROSSREFS Cf. A022840: floor(n/(sqrt(6)/6)), Beatty sequence of A020763. Sequence in context: A029920 A100719 A057354 * A172267 A231151 A097508 Adjacent sequences: A172473 A172474 A172475 * A172477 A172478 A172479 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Feb 04 2010 EXTENSIONS Definition simplified by N. J. A. Sloane, Mar 11 2021 STATUS approved

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Last modified December 3 00:23 EST 2022. Contains 358510 sequences. (Running on oeis4.)