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 A194141 Sum{floor(j*(2+sqrt(3)) : 1<=j<=n}; n-th partial sum of Beatty sequence for 2+sqrt(3). 1
 3, 10, 21, 35, 53, 75, 101, 130, 163, 200, 241, 285, 333, 385, 440, 499, 562, 629, 699, 773, 851, 933, 1018, 1107, 1200, 1297, 1397, 1501, 1609, 1720, 1835, 1954, 2077, 2203, 2333, 2467, 2605, 2746, 2891, 3040, 3193, 3349, 3509, 3673, 3840, 4011 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS MATHEMATICA c[n_] := Sum[Floor[j*(2+Sqrt[3])], {j, 1, n}]; c = Table[c[n], {n, 1, 90}] CROSSREFS Cf.  A003512 (Beatty sequence for 2+sqrt(3)). Sequence in context: A004194 A097590 A289183 * A281153 A014105 A146012 Adjacent sequences:  A194138 A194139 A194140 * A194142 A194143 A194144 KEYWORD nonn AUTHOR Clark Kimberling, Aug 17 2011 STATUS approved

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Last modified April 22 06:48 EDT 2021. Contains 343161 sequences. (Running on oeis4.)